Physics MCQ

 PHYSICS  MCQ

Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, NDA, CDS and all one day examinations of India.

1.Speed of sound is maximum in which among the following?

[A] Solids

[B] liquids

[C] Gases

[D] Vaccum

2.Which among the following waves are most commonly used in the Night Vision Devices?

[A] Microwaves

[B] Infra Red Waves

[C] Ultra Violet Waves

[D] Radio Waves

3.An object is executing uniform circular motion. Which of the following quantities remain(s) constant during the object’s motion?

[A] Velocity and acceleration

[B] Speed and velocity

[C] Speed and acceleration

[D] Speed only

4.Which among the following orbits are more prone to harms of space debris or space Junk in comparison to others?

[A] Polar Sun Synchronous Orbit

[B] Low Earth Orbit

[C] Geosynchronous orbit

[D] Geostationary Orbit

5.While passing over an obstacle a light ray slightly bends round the corner. The phenomenon is known as__:

[A] Scattering

[B] Polarisation

[C] Diffraction

[D] Refraction

Also read : GK Questions and Answers on Everyday Science https://www.knowlege.in/2025/02/gk-questions-and-answers-on-everyday.html

6.In recent times, the “dynamic brake system” is becoming popular in modern railways. The dynamic brake system coverts Kinetic energy to__:

[A] Potential energy

[B] Electricity

[C] Sound energy

[D] Magnetic energy

7.Which among the following is the correct sequence of the terms used for various phases of the rocky object from space entering earth’s atmosphere and reaching on earth?

[A] Meteoroid – Meteor – Meteorite

[B] Meteorite – Meteoroid – Meteor

[C] Meteor – Meteorite – Meteoroid

[D] Meteoroid – Meteorite – Meteor

8.Electron microscope works on which of the following principles?

[A] Optical interference

[B] Wave Nature of electrons

[C] Motion of charged particle in electromagnetic fields

[D] Faraday’s law of Electromagnetic induction

Also read : Gk Questions and Answers on Famous Scientists https://www.knowlege.in/2025/01/gk-questions-and-answers-on-famous_31.html

9.Which of the following is true about displacement of an object?

[A] It is always equal to the distance travelled by the object

[B] It can be less than the distance travelled by the object

[C] It can be greater than the distance travelled by the object

[D] It always less than the distance travelled by the object

10.The forces acting at a point are called as:

[A] Collinear forces

[B] Coplanar forces

[C] Concurrent forces

[D] Unit forces