What method of energy transfer requires no medium for transfer?

Related Mcqs:

1. A device which converts chemical energy into electrical energy is called __________?

   A. motor
   B. generator
   C. moving-coil meter
   D. battery

2. Wind energy is the __________ energy.

   A. Potential
   B. Transverse
   C. Kinetic
   D. Mechanical

3. A device that converts mechanical energy into electric energy is called_______?

   A. Motor.
   B. Transformer.
   C. Coil.
   D. Generator.

4. Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?

   A. radio, visible, infrared, ultraviolet, x-ray, gamma ray
   B. radio, infrared, visible, x-ray, gamma ray, ultraviolet
   C. visible, radio, infrared, ultraviolet, x-ray, gamma ray
   D. radio, infrared, visible, ultraviolet, x-ray, gamma ray

   Submitted by: Mansoor Ul Haque

5. A loudspeaker changes _________ energy into sound energy.

   A. Chemical
   B. Electrical
   C. Light
   D. Kinetic

   Submitted by: Danish Balani

6. The radiant energy having lowest energy is?

   A. gamma rays
   B. UV rays
   C. visible light
   D. Radio waves

   Submitted by: Malik Asghar Hussain

7. Medium which sends signal from source to destination is known as ________ ?

   A. Transmitter
   B. Transmission channel
   C. Receiver
   D. Hardware

   Submitted by: Rashid Mehmood

8. Medium sized kidney stones are removed by__________?

   A. Dialysis
   B. Lithotripsy
   C. Excretion
   D. Laser

   Submitted by: Rashid Mehmood

9. __________ is the point in solar system at which pressure from the solar wind is equal to the opposing pressure of the interstellar medium.

   A. Seliopause
   B. Meliopause
   C. Heliopause
   D. Beliopause

   Submitted by: Muhammad Abdullah

10. During which process does heat transfer occur because of density differences__________?

    A. Convection 
    B. Radiation
    C. Conduction
    D. None of these

    Submitted by: Rida