Following are the set of 15 multiple choice questions from the subject Physics. The purpose of this section is just to support the candidates who prepare for Kerala PSC and other competitive exams. You can always refer this website from your mobile phone on the go or from your home PC.
GENERAL SCIENCE PRACTICE TEST | PHYSICS | SET-3
(A multiple choice questions and answer for Kerala PSC, UPSC, SSC, Banking, IBPS, Railway and other competitive exams)
1. 1 Horse Power = ______ Watt.
(a) 846 Watt
(b) 646 Watt
(c) 946 watt
(d) 746 Watt

2. The device which converts mechanical energy to electrical energy is
(a) Electric motor
(b) Loud Speaker
(c) Microphone
(d) Dynamo

3. Velocity of sound in air is _______ m/s.
(a) 200
(b) 100
(c) 430
(d) 340

4. Acoustics is the study of
(a) Sound
(b) Light
(c) Temperature
(d) Speed

5. National Science Day is observed on
(a) February 21
(b) February 28
(c) November 21
(d) November 28

6. Who discovered the Photo Electric Effect?
(a) Albert Einstein
(b) James Clark Maxwell
(c) Heinrich Hertz
(d) Christian Huygens

7. Who proposed the wave theory of light?
(a) Albert Einstein
(b) James Clark Maxwell
(c) Heinrich Hertz
(d) Christian Huygens

8. Who proposed Electro Magnetic Theory?
(a) Albert Einstein
(b) James Clark Maxwell
(c) Heinrich Hertz
(d) Christian Huygens

9. Who explained Photo Electric Effect?
(a) Albert Einstein
(b) James Clark Maxwell
(c) Heinrich Hertz
(d) Christian Huygens

10. Of the following, select the radiation having the highest wavelength.
(a) Gamma rays
(b) Microwaves
(c) X-rays
(d) Radio Waves

11. Of the following, select the radiation having the highest frequency.
(a) Gamma rays
(b) Microwaves
(c) X-rays
(d) Radio Waves

12. Particles which are supposed to travel faster than light are
(a) Fermions
(b) Gravitons
(c) Quarks
(d) Tachyons

13. Who discovered tachyons?
(a) Heinrich Hertz
(b) James Clark Maxwell
(c) ECG Sudarsan
(d) APJ Abdul Kalam

14. Of the following, which is not a primary color?
(a) Violet
(b) Red
(c) Blue
(d) Green

15. Material used as Fuse wire is
(a) Tungsten
(b) Copper
(c) alloy of Tin & Lead
(d) Aluminium