Following are the set of 20 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-4
(A multiple choice questions and answer for Kerala PSC, UPSC, SSC, Banking, IBPS, Railway and other competitive exams)
1. The voltage range at which alternate current is supplied for household use in India is
(a) 200- 210 Volt
(b) 220- 230 Volt
(c) 320- 330 Volt
(d) 310- 320 Volt

2. What is the frequency of household alternate current in India?
(a) 30 hertz
(b) 40 hertz
(c) 50 hertz
(d) 60 hertz

3. Eample of ferromagnetic substance is
(a) Platinum
(b) Sodium
(c) manganese
(d) Cobalt

4. What is the Curie temperature of iron?
a) 730C
(b) 770 C
(c) 810 C
(d) 850 C

5. An example for a semi-conducting material is
(a) Copper
(b) Sodium
(d) Gold
(d) Germanium

6. What is the color of Black box used in aeroplanes?
(a) Yellow
(b) Black
(c) Orange
(d) Blue

7. In binary number system, a group of four bits is known as
(a) byte
(b) nibble
(c) hexadecimal
(d) decimal

8. Principle behind Hydrogen bomb is
(a) Nuclear Fission
(b) Nuclear Fusion
(c) Nuclear Transformation
(d) Gamma decay

9. Radio isotope used in carbon dating process is
(a) Carbon-15
(b) Carbon-18
(c) Carbon-13
(d) Carbon-14

10. What is the half life of Carbon -14?
(a) 5760 years
(b) 5670 years
(d) 4670 years
(d) 4760 years

11. Who is the father of Nuclear Physics?
(a) Homi J Bhabha
(b) JJ Thompson
(c) James Chadwick
(d) Rutherford

12. Who is the father of Indian Space Research?
(a) Dr.APJ Abdul kalam
(b) Homi J Bhabha
(c) Vikram Sarabhai
(d) CV Raman

13. IC Chip used in computers is made using
(a) Silver
(b) Lead
(c) Chromium
(d) Silicon

14. Einstein was awarded Nobel Prize for
(a) Special Theory of Relativity
(b) General Theory of Relativity
(c) Brownian Movement
(d) explaining Photoelectric Effect

15. Filament of electric bulb is made by using
(a) Iron
(b) Aluminium
(c) Tungsten
(d) Silicon

16. Which colored light is scattered most?
(a) Violet
(b) Blue
(c) Red
(d) Green

17. Sound waves travel faster in
(a) Water
(b) Air
(c) Vacuum
(d) Steel

18. In which year CV Raman got Nobel Prize for Physics?
(a) 1920
(b) 1925
(c) 1930
(d) 1935

19. Light from the sun reaches earth in ______ seconds.
(a) 500
(b) 550
(c) 575
(d) 600

20. What is the velocity of light in vacuum?
(a) 3x109 m/s
(b) 2x109m/s
(c) 3x 108 m/s
(d) 2x108 m/s