A. Will always be positive
B. Can never be positive
C. Can have any value above zero
D. Cannot be negative
Submitted by: WIQAR AHMAD
Related Mcqs:
- Electron was discovered by?
A. Michael Faraday
B. James Maxwell
C. Yuri Gagarin
D. J.J ThomsonSubmitted by: Shahid Sargarh
- “Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?
A. Aufbau principle
B. Pauli exclusion principle
C. Hund’s rule
D. Periodic lawSubmitted by: Mansoor Ul Haque
- The absolute value of charge on electron was determined by ________ ?
A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert MillikanSubmitted by: Rashid Mehmood
- A device which converts chemical energy into electrical energy is called __________?
A. motor
B. generator
C. moving-coil meter
D. battery - Wind energy is the __________ energy.
A. Potential
B. Transverse
C. Kinetic
D. Mechanical - A device that converts mechanical energy into electric energy is called_______?
A. Motor.
B. Transformer.
C. Coil.
D. Generator. - 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 raySubmitted by: Mansoor Ul Haque
- A loudspeaker changes _________ energy into sound energy.
A. Chemical
B. Electrical
C. Light
D. KineticSubmitted by: Danish Balani
- The radiant energy having lowest energy is?
A. gamma rays
B. UV rays
C. visible light
D. Radio wavesSubmitted by: Malik Asghar Hussain
- The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it?
A. 10%
B. 20%
C. 30%
D. 50%Submitted by: Jameel Ahmed Solangi (Larkana)