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General Science

Physics / Chemistry / Biology trivia at SSC-CGL level
Questions
3,084
Question Cluster Subtype Difficulty Status

Two identical resistors, each of 10 Ω, are connected in parallel. This combination, in turn, is connected to a third resistor of 10 Ω. The equivalent resistance of the combination is _______.

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Electric Circuits and Resistance Calculations ohms_law_circuit intermediate live

The phenomena of resonance is used in __________

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General Physics and Physical Science intermediate live

Which of the following scenarios best illustrates Newton’s First Law of Motion?

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Newton's Laws of Motion intermediate live

According to the Quantum Theory of Plank, what is the nature of Electromagnetic radiation?

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Famous Scientists and Scientific Discoveries intermediate live

In a parallel circuit, if one resistor is removed, what happens to the total resistance?

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Ohm's Law and Electrical Resistance intermediate live

What happens to the resistance of a conductor if its length is doubled while keeping the cross-sectional area constant?

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Ohm's Law and Electrical Resistance intermediate live

...................... was awarded the Nobel Prize in Physics in 1909 along with Karl Ferdinand Braun for the development of practical wireless telegraphy.

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Famous Scientists and Scientific Discoveries intermediate live

Which of the following has a higher electric resistance?

A 100 Ω, 80 Ω bulb or 60 Ω bulb?

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General Physics and Physical Science intermediate live

Choose the option which is a synonym of the given word.

Ponder (212 Combine Competitive Exam Group A and B)

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Vocabulary: Synonyms and Antonyms synonym intermediate live

The law of conservation of momentum is derived from Newtons' ________.

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Newton's Laws of Motion intermediate live

A material with high resistivity is best suited for which of the following applications?

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Electric Current and Resistance Fundamentals intermediate live

If the resistance of an electric iron is 40Ω and 2.2A Current flows through the resistance. Find the voltage between two points.

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Electric Circuits and Resistance Calculations intermediate live

According to which of the following laws, heat produced by an electric current is directly proportional to the resistance of the conductor, the square of the current, and the time for which it flows?

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Electric Current and Resistance Fundamentals intermediate live

In 1928, which equation was derived and combines quantum theory and special relativity to describe the behaviour of an electron moving at a relativistic speed?

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Famous Scientists and Scientific Discoveries intermediate live

The resistivity of a material typically increases with: 

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Ohm's Law and Electrical Resistance intermediate live

Which principle states that if a system at equilibrium is subjected to a change in concentration, temperature, volume, or pressure, then the system readjusts itself to counteract the effect of the applied change?

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Chemistry History and Fundamental Laws intermediate live

A resistor has a resistance of 100 ohms and is connected to a 20-volt battery. What is the power dissipated by the resistor?

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Electric Circuits and Resistance Calculations ohms_law_circuit intermediate live

Which of the following law explains the concept of inertia?

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Newton's Laws of Motion intermediate live

Which Nobel Laureate conducted an experiment in the late 19th century and observe that a glass tube filled with a low-pressure gas emitted radiation when a voltage was applied between two metal plates?

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Famous Scientists and Scientific Discoveries intermediate live

Which law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit?

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General Physics and Physical Science intermediate live

Which of the following principles explains why no two electrons in the same atom can have the same set of four quantum numbers?

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Famous Scientists and Scientific Discoveries intermediate live

Which of the following statements best describes the Law of Conservation of Energy?

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Chemistry History and Fundamental Laws intermediate live

In a circuit with two resistors in series, if one has a resistance of 5 ohms and the other has 10 ohms, what is the total resistance?

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Electric Circuits and Resistance Calculations ohms_law_circuit intermediate live

If the diameter of a cylindrical conductor is doubled, what happens to its resistance?

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Ohm's Law and Electrical Resistance intermediate live

Which experiment was designed to trace the motion of the earth through the 'luminiferous aether", a theoretical substance necessary for the transmission of light?

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Famous Scientists and Scientific Discoveries intermediate live

Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

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Magnetism and Electromagnetic Laws intermediate live

Choose the option which is a synonym of the given word.

Facetious. (212 Combine Competitive Exam Group A and B)

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Vocabulary: Synonyms and Antonyms synonym intermediate live

Consider four cases A, B, C and D with respect to the LCR series circuit.

Case A: The resistance is halved

Case B: The inductance is doubled

Case C: The capacitance is doubled

Case D: The inductance is doubled and the capacitance is halved.

Which of the following case(s) result in the increase in the sharpness of the resonance (that was occurring in the circuit) already?

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Ohm's Law and Electrical Resistance intermediate live

What is the primary reason for using alloys in resistance wire?

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Electric Current and Resistance Fundamentals intermediate live

With the Theory of Relativity, __________________ transformed the landscape of physics, this theory majority contributed to designing the theory of Quantum Mechanics.

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Famous Scientists and Scientific Discoveries intermediate live

The Refrigerator works on the principle of ____________?

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Chemical Kinetics and Phase Changes intermediate live

Which of the following affect the resistance?

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Ohm's Law and Electrical Resistance intermediate live

If the resistance in an electrical circuit is 10 ohms and the current flowing through it is 3 amperes, what is the voltage across the resistor?

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Electric Circuits and Resistance Calculations intermediate live

Consider two resistors A (Yellow, Orange, Brown) and B(Green, Violet, Brown) connected in series. The effective resistance corresponds to a resistor with which of the following color codes?

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Electric Circuits and Resistance Calculations intermediate live

Consider the following statements about the Laws of Thermodynamics:

  1. The Zeroth Law of Thermodynamics defines temperature.
  2. The First Law of Thermodynamics is a statement of the conservation of momentum.
  3. The Second Law of Thermodynamics states that the total entropy of an isolated system can never decrease over time.

Which of the above statements is/are correct? 

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Chemistry History and Fundamental Laws intermediate live

If a gas is confined in a container with a fixed temperature and its volume is halved, what happens to the pressure of the gas?

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Chemistry History and Fundamental Laws intermediate live

Which law describes the relationship between voltage, current, and resistance?

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General Physics and Physical Science intermediate live

Coulomb's Law deals with which of the following-

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Magnetism and Electromagnetic Laws intermediate live

Connecting a low resistance called shunt in parallel with the galvanometer converts it into:

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Scientific Instruments and Their Functions intermediate live

The photoelectric effect demonstrates which nature of light?

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Famous Scientists and Scientific Discoveries intermediate live

On which among the following quantities, Gravitational Force does not depend?

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Gravitational Force and Acceleration intermediate live

The force of attraction between two objects of masses 'M' and 'm' which lie at a distance 'd' from each other is directly proportional to the______________.

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Gravitational Force and Acceleration intermediate live

Which among the following forces is required to maintain a body in Uniform Circular Motion?

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Mechanics of Motion and Forces intermediate live

In a double-slit experiment with electrons, the interference pattern disappears if:

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Light Phenomena and Optical Physics intermediate live

Which of the following is NOT a correct match?

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SI Units of Electrical Quantities intermediate live

If the magnetic field through a loop of wire is increasing, what happens to the induced electromotive force (EMF) in the loop?

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Magnetism and Electromagnetic Laws intermediate live

What are the uses of the convex lens?

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Optics and Vision Correction intermediate live

What is the SI unit of force?

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General Physics and Physical Science intermediate live

Which of the following is a practical use of Lens?

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Optics and Vision Correction intermediate live

____ refers to the movement of an object propelled upwards, influenced solely by the force of gravity.

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Mechanics of Motion and Forces intermediate live
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