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Physics - General Knowledge Questions
Mica is used in electrical appliances such as electric iron because mica is
A)
a good conductor of heat but a bad conductor of electricity
B)
a bad conductor of heat but a good conductor of electricity
C)
a good conductor of heat as well as electricity
D)
a bad conductor of heat as well as electricity

Correct Answer :   a good conductor of heat but a bad conductor of electricity

Published On : July 2, 2020
Recent Updates in Physics - General Knowledge Questions
Q .
The Hydraulic press used to lift a car is based on the following principle
A)
Pascal's Principle
B)
Magnus Effect
C)
Bernoulli's Principle
D)
Archimedes Principle

Correct Answer :   Pascal's Principle

However, because A₁ has 10 times the area of A₁, it will produce a force (F₂) that is 10 times greater than the original force (F₁). Through Pascal's principle, a relatively small force exerted on a hydraulic press can be magnified to the point where it will lift a car.

Published On : June 12, 2021
Category : Physics
Q .
Superconductors are substances which
A)
conduct electricity at low temperature
B)
offer high resistance to the flow of current
C)
offer no resistance to the flow of electricity
D)
conduct electricity at high temperatures

Correct Answer :   offer no resistance to the flow of electricity

Published On : July 3, 2020
Category : Physics
Q .
Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?
A)
Rainbow
B)
Earthshine
C)
Halo
D)
Mirage

Correct Answer :   Mirage

Published On : July 3, 2020
Category : Physics

General Knowledge MCQ

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