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Physics

Physics
At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal?

–40
273
40
–273

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Physics
The final image in a simple microscope is

Virtual, diminished and erect
Real, magnified and erect
Real, diminished and inverted
Virtual, magnified and erect

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Physics
A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 )

20 J
40J
200J
400J

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Physics
Newton's first law of motion gives the concept of

Momentum
Inertia
Work
Energy

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Physics
Parabolic mirrors are used in

Car headlights
Shaving mirros
Driving mirrors
Dentists mirros

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Physics
An aircraft can perform aerobatic manoeuvres in a vertical loop because of

Centripetal force
Weight
Centrifugal force
Gravity

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