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Physics

Physics
The unit of force is a

Derived Unit
None of these
Basic Unit
Fundamental Unit

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Physics
The work done by the string of a simple pendulum during one complete oscillation is equal to

Kinetic energy of the pendulum
Total energy of the pendulum
Potential energy of the pendulum
Zero

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Physics
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

3.75 diopters
11.25 diopters
-3.75 diopters
-11.25 diopters

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Physics
Solar energy is converted into chemical energy during

Osmosis
Photosynthesis
Diffusion
Transpiration

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Physics
When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as

Echo
Beats
Doppler effect
Resonance

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Physics
Rain drops acquire spherical shape due to

Viscosity
Friction
Elasticity
Surface tension

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