Which one of the following has the largest energy content ?

Related Mcqs:

1. Geothermal energy is a _______________________ source of energy?

   A. non-renewable
   B. stable
   C. renewable
   D. none of the above

2. ________________ cells converts solar energy into electrical energy?

   A. rotory
   B. photovoltaic
   C. galvanic
   D. non of these

3. In normal state of energy the incident high energy photons will be______________?

   A. Stimulated
   B. Absorbed
   C. Cause X-ray emission
   D. Cause laser production

4. Which one of the following has the greatest energy gap ?

   A. insulator
   B. conductor
   C. semi conductor
   D. any of above

5. The relativistic energy E is equivalent to relativistic mass given by_______________?

   A. Ec2
   B. E/c2
   C. E/c
   D. c2/E

6. After traveling through a vacuum a photon of light entering into some transparent denser medium. Thus the energy of light______________?

   A. Increases because wavelength decreases
   B. Decreases because speed decreases
   C. Remains same
   D. Increases then decrease

7. In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

   A. Becomes double
   B. Remains same
   C. Becomes half
   D. First increases then decrease because of the curvilinear graph

8. The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?

   A. Karl-Weins law
   B. Rayleigh-Jeans law
   C. Stephens law
   D. Plancks

9. In bringing an electron towards the second electron, the electrostatic potential energy of the system

   A. Decreases
   B. increases
   C. remains the same
   D. becomes zero

   Submitted by: Tauseef Ali

10. Matter itself has energy called ________?

    A. Potential energy
    B. Rest energy 
    C. Chemical energy
    D. Nuclear energy

    Submitted by: Shoaib Ali Jatoi