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Physics
The speed of light in vacuum is:
A
3 ร 10? m/s
B
3 ร 10? m/s
C
3 ร 10ยน? m/s
D
3 ร 10? m/s
Correct Answer
B
Physics
Who discovered gravity?
A
Albert Einstein
B
Isaac Newton
C
Galileo
D
Michael Faraday
Correct Answer
B
Physics
What is the SI unit of frequency?
A
Hertz
B
Joule
C
Watt
D
Newton
Correct Answer
A
Physics
Which energy is stored in a stretched spring?
A
Heat Energy
B
Potential Energy
C
Kinetic Energy
D
Electrical Energy
Correct Answer
B
Physics
Which lens is used to correct short-sightedness?
A
Convex Lens
B
Concave Lens
C
Cylindrical Lens
D
Bifocal Lens
Correct Answer
B
Physics
Which instrument is used to measure voltage?
A
Ammeter
B
Thermometer
C
Voltmeter
D
Barometer
Correct Answer
B
Physics
Sound cannot travel through:
A
Air
B
Water
C
Steel
D
Vacuum
Correct Answer
D
Physics
Which law states that every action has an equal and opposite reaction?
A
Newton's First Law
B
Newton's Third Law
C
Newton's Third Law
D
Law of Gravitation
Correct Answer
C
Physics
What is the SI unit of pressure?
A
Joule
B
Newton
C
Pascal
D
Watt
Correct Answer
A
Physics
Light travels fastest in:
A
Water
B
Glass
C
Vacuum
D
Air
Correct Answer
C