Science Stream Topics
Undergraduate level — Science Stream
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quiz Questions
Q1
SI unit of force is
Pascal
Joule
Watt
Newton
Explanation
Force is measured in newton in SI system.
Q2
SI unit of work is
Watt
Pascal
Joule
Newton
Explanation
Work and energy are measured in joule.
Q3
SI unit of power is
Joule
Watt
Newton
Pascal
Explanation
Power is rate of doing work, measured in watt.
Q4
Speed of light in vacuum is approximately
3 x 10^8 m/s
Newton
Watt
Joule
Explanation
Light travels nearly 300,000 km/s in vacuum.
Q5
Acceleration due to gravity on Earth is about
Joule
Newton
Watt
9.8 m/s^2
Explanation
Standard gravitational acceleration is around 9.8 m/s^2.
Q6
The law of inertia was given by
Watt
Joule
Newton
Newton first law
Explanation
Newton first law describes inertia.
Q7
The instrument used to measure electric current is
Ammeter
Newton
Joule
Watt
Explanation
Ammeter is connected in series to measure current.
Q8
The instrument used to measure potential difference is
Newton
Joule
Voltmeter
Watt
Explanation
Voltmeter is connected in parallel to measure voltage.
Q9
The pH value of neutral solution is
Joule
7
Watt
Newton
Explanation
Pure water at 25 degree C has pH 7.
Q10
Chemical symbol of sodium is
Watt
Joule
Newton
Na
Explanation
Na comes from Latin Natrium.