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CET Graduate — Physics (light, electricity) MCQs

Practice 20 free physics (light, electricity) multiple choice questions for CET Graduate exam. Instant answers with explanations in Hindi and English.

Master Physics (light, electricity) under Basic Science for CET Graduate with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

CET Graduate — Basic Science — Physics (light, electricity)

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

The brilliant sparkle that characterizes a cut diamond is primarily attributed to its incredibly high refractive index (2.42). What specific optical phenomenon occurs inside the diamond to produce this visual brilliance?

Question 2 of 20

Which of the following pairs correctly identifies a branch of physics with its area of study?

Question 3 of 20

A patient is prescribed a cylindrical lens. Based on this prescription, the ophthalmologist has most likely detected an anomaly in which part of the patient's eye?

Question 4 of 20

Which condition is specifically characterized by the shortening of the eyeball and a flat crystalline lens?

Question 5 of 20

Assertion (A): If one electrical appliance fails in a series circuit, all other connected appliances will instantly stop functioning. Reason (R): In a series circuit, components are connected end-to-end, forming a single continuous path for the electric current to flow.

Question 6 of 20

Which of the following phenomena constitutes the working principle of electric devices such as irons, geysers, and room heaters?

Question 7 of 20

In the context of the wave-particle duality of light, what is the scientific term used to describe the stream of discrete energy packets?

Question 8 of 20

The complete expulsion of magnetic field lines from the interior of a superconducting material as it transitions into the superconducting state is called the:

Question 9 of 20

If you are provided with two equations: V=IR and P=VI. By combining these equations, which of the following expressions gives the correct formula for Electrical Energy (E) consumed over time 't'?

Question 10 of 20

The quantization of electric charge is a basic law of physics stating that charge cannot be subdivided indefinitely. Based on this rule, what is the absolute numerical value of the elementary quantum of charge (e)?

Question 11 of 20

Match List I (Circuit Configuration) with List II (Characteristic Feature) and select the correct answer using the codes given below: List I A. Series Circuit B. Parallel Circuit List II 1. Voltage remains constant across all branches. 2. Total current remains identical through all components. 3. The total equivalent resistance is less than the smallest individual resistance. 4. A single component failure completely breaks the entire circuit.

Question 12 of 20

In the context of the objective recruitment exams conducted by the RSSB (like Patwari and LDC), which of the following tasks are candidates most likely to face?

Question 13 of 20

Consider the following statements regarding lenses: I. A convex lens can form both real and virtual images. II. A concave lens diverges light rays. Which of the above statements is/are correct?

Question 14 of 20

Which of the following lenses is correctly paired with its alternative name based on its behavior towards light rays?

Question 15 of 20

What is the primary focus of the branch of physics known as Magnetism (Chumbakatva)?

Question 16 of 20

Consider the following statements regarding refraction: 1. Light travels fastest in vacuum. 2. Refraction occurs due to change in speed of light. 3. Refractive index of water is about 1.33. 4. Optical density depends on refractive index. Which of the statements given above are correct?

Question 17 of 20

What happens to sunlight as it travels through a thicker layer of the atmosphere during sunset, giving the sun a reddish appearance?

Question 18 of 20

What is the scientific term for the optical phenomenon where white light splits into its constituent seven colors (VIBGYOR) upon passing through a transparent medium like a prism?

Question 19 of 20

In the derivation and application of the mirror formula, what is the prerequisite requirement for assigning accurate algebraic signs to the variables f, v, and u?

Question 20 of 20

Consider the following statements regarding a Myopic eye: A. It experiences an elongation of the eyeball. B. It requires a converging lens for correction. C. The focal point of distant objects falls in front of the retina. Which of the above is/are definitively correct?

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