Physics General Knowledge MCQs Quiz for Competitive Exams with Answers Set 6

Physics MCQs Quiz for Competitive Exams.This post contains Physics Objective Questions and Answers for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tests and Interviews. These Objective Physics Questions and Answers are to prepare online competitive exams. MCQs are taken from Caravan Comprehensive GK Book.

1. Einstein Famous equation E=mc², E=energy, m=mass and C stands for _____ ?
(A) constant
(B) speed of light
(C) colors
(D) None of the above.

2. According to Einstein Famous equation E=mc²one Kg of mass is actually equivalent to ______ ?
(A) 9×10¹⁶ Joule
(B) 9×10¹⁸ Joule
(C) 9×10²⁰ Joule
(D) None of the above.

3. Add the following masses given in KG upto appropriate precision 2.189, 0.089, 11.8 and 5.32 _______ ?
(A) 19.398
(B) 19.39
(C) 19.4
(D) None of the Above.

4. Physics deals with the study of _______ ?
(A) matter
(B) energy
(C) Relationship between matter and energy
(D) All of the above.

5. Dr Abdul Salam shared the Noble Prize award in 1979 along with Sheldon Glashow Steven Weinberg in the filed of ______ ?
(A) Physics
(B) Chemsitery
(C) Electronics
(D) all of the above.

6. The frequency of which of the following is highest ?

(a) Lightwaves
(b) Ultrasonic waves
(c) Radio waves

7. Speed of sound in air is ______ ?

(a) 480 m/s
(b) 331 m/s
(c) 300 m/s
(d) 280 m/s

8. LASER stands for _____ ?

(a) Light Against Skin by Emission of Radiation
(b) Long Altitude Sight Emission Rays
(c) Light Amplification by Stimulated Emission of Radiation
(d) Left Align Sound Emission Rays

9. FM stands for _______ ?

(a) Frequency Module
(b) Frequency Movement
(c) Frequency Modulation
(d) Ferentition Module

10. One million cycle per second is called ______ ?

(a) Megabyte
(b) Megahertz
(c) Gigabyte
(d) Hedabyte

11. Dynamics is the study of _______ ?

(a) Movements of earth
(b) Movement of bodies
(c) Angles of bodies
(d) Forces acting on bodies

12. Which instrument is used to measure very high temperature ?

(a) Tachometer
(b) Pyrometer
(c) Udometer
(d) Lactometer

13. Which of the following layer of atmosphere make radio transmission possible ?

(a) Ionosphere
(b) Troposphere
(c) Hydrosphere
(d) Stratosphere

14. What is the speed of sound in dry air ?

(a) 500 km/s
(b) 550 km/s
(c) 610 km/s
(d) 710 km/s