Physics (light, electricity) MCQs for CET Graduate
Practice 20 free Physics (light, electricity) questions under Basic Science — Science & Tech.
Strengthen your Physics (light, electricity) knowledge for CET Graduate with curated MCQs. 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
Electric Current (I) is quantitatively measured as the rate at which electric charge flows through a conductor's cross-section. What is its core mathematical definition and its international SI unit?
Question 2 of 20
In an astronomical telescope used to view distant celestial bodies, what is the configuration of the lenses?
Question 3 of 20
Assertion (A): Achieving high marks in descriptive science exams requires writing long, narrative paragraphs focusing heavily on the historical context of scientific discoveries. Reason (R): Evaluators expect precise scientific terminology, bullet points, and neat diagrams to demonstrate subject mastery.
Question 4 of 20
Which of the following alloys is historically and industrially famous for its wide hysteresis loop, rendering it an ideal material for crafting permanent magnets?
Question 5 of 20
Consider the following statements regarding the electrical properties of materials: 1. Silver is considered the best conductor of electricity due to its extremely low resistivity. 2. The conductivity of semiconductors like Silicon and Germanium decreases as temperature increases. 3. Insulators completely block electron flow due to their infinitely high resistivity. Which of the statements given above is/are correct?
Question 6 of 20
A student analyzing the phenomenon of a rainbow notes several contributing optical effects. If the student removes 'Dispersion' from the list of phenomena, what essential part of the rainbow's formation is lost?
Question 7 of 20
Identify the primary disadvantage of connecting multiple household appliances in a series circuit.
Question 8 of 20
A dentist requires a highly specific mirror to properly examine a patient's teeth. Which mirror is utilized, and what type of image does it produce?
Question 9 of 20
A Voltmeter is deployed in electric circuits to check performance metrics. What is the correct installation setup and the required internal design criteria for an ideal voltmeter?
Question 10 of 20
The physical phenomenon known as 'Diffraction' is fundamentally defined as:
Question 11 of 20
Which of the following optical lenses is exclusively used to correct Myopia (Near-sightedness)?
Question 12 of 20
Unlike modern LED or fluorescent technology, the illumination generated by a traditional, old-fashioned tungsten bulb is scientifically categorized as an application of which foundational physical phenomenon?
Question 13 of 20
Hypermetropia, commonly referred to as far-sightedness, is a vision defect where a person can see distant objects clearly but near objects appear blurry. This defect is corrected using a:
Question 14 of 20
Consider the following statements regarding the image formation by a concave mirror: 1. It can form a real and inverted image. 2. It can form a virtual and erect image. Which of the above statements is/are correct?
Question 15 of 20
The apparent vibrant blue colour of the clear daytime sky is a direct optical consequence of which specific light phenomenon?
Question 16 of 20
An optical device bounded by one or more curved surfaces that is thicker at the edges and thinner at the center will predictably:
Question 17 of 20
Which of the following describes the fundamental structural characteristic of a concave mirror?
Question 18 of 20
Resistivity (ρ) and Resistance (R) are closely related terms that describe different aspects of electrical behavior. Which statement correctly defines resistivity and isolates it from resistance?
Question 19 of 20
Which of the following mathematical formulas is utilized specifically to calculate electrical power dissipation in the context of typical Class 10-level numericals?
Question 20 of 20