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Physics

Physics
An object that has kinetic energy must be

Moving
Falling
At an elevated position
At rest

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Physics
What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?

50
12
24
36

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Physics
The propagation of sound waves in a gas involves

Isothermal compression and rarefaction
Isochoric compression and rarefaction
Adiabatic compression and rarefaction
Isobaric compression and rarefaction

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Physics
A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to

Outward pull on him
Change in acceleration
Inertia of motion
Change in momentum

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Physics
In a diesel engine the high temperature needed to ignite the fuel is achieved by

Using heat from exhaust
Compressing air in the cylinders
The battery
An electrical spark

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Physics
Shaving mirror is

Convex
Concave
Plane
Parabolic

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MORE MCQ ON Physics

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