SSC Physics previous year questions Set 2

11. Which of the following pairs of physical quantities have the same dimensions? [SSC CHSL (10+2) LDC 2015]
A. Force and Power
B. Work and Power
C. Work and Energy
D. Momentum and Power

Answer –C. Work and Energy

12. The source of the sun’s energy is the process of: [SSC Income Tax Assistant 2006]
A. photoelectric emission
B. nuclear fission
C. nuclear fusion
D. thermionic emission

Answer –C. nuclear fusion

13. The period of revolution of a geostationary satellite is – [SSC CPO Sub-Inspector 2010]
A. 365 days
B. 30 days
C. 24 hours
D. changing continuously

Answer –C. 24 hours

14. Which of the following events occurred first? [SSC Combined Matric Level (PRE) 2002]
A. Albert Einstein propounded the General Theory of Relativity
B. Max Planck unveiled the Quantum Theory
C. Marconi first transmitted a wireless signal
D. Madame Marie Curie became the first woman Nobel Prize winner

Answer –B. Max Planck unveiled the Quantum Theory

15. Heat stored in water vapour is : [SSC Combined Matric Level (PRE) 2008]
A. Specific heat
B. Latent heat
C. Absolute heat
D. Relative heat

Answer –B. latent heat

16. The device used for locating submerged objects under sea is – [SSC Data Entry Operator 2008]
A. Sonar
B. Radar
C. Laser
D. Maser

Answer –A. sonar

17. In a nuclear reactor, heavy water is used as : [SSC Data Entry Operator 2008]
A. coolant
B. fuel
C. moderator
D. atomic smasher

Answer –C. moderator

18. A man cannot see clearly beyond 10 meters. The disease,he suffers from: [SSC Stenographer 2010]
A. Far sight
B. Myopia
C. Cataract
D. Hypermetropia

Answer –B. Myopia

19. Which of the following supports particle nature of photons? [SSC CAPFs SI & CISF ASI 2013]
A. Diffraction
B. Polarization
C. Photoelectric effect
D. Interference

Answer –C. Photoelectric effect

20. The word ‘insolation’ means: [SSC CHSL (10+2) 2014]
A. matters which insulate
B. incoming solar radiation
C. insoluble matters
D. None of the above

Answer –B. Incoming solar radiation

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