The buoyant force on a body immersed in a fluid depends on MCQ with Answer and Explanation

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The buoyant force on a body immersed in a fluid depends on

A. Volume of body

B. Acceleration due to gravity

C. Density of body

D. Both B and C

Answer: Option D

Solution (By JKSSB Mock Tests)

Buoyant force = weight of displaced fluid = (volume of body submerged) × density_fluid × g. Depends on volume displaced and g. Not density of body.

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The wavelength of a wave is the distance between two consecutive

A. Crest and trough

B. Troughs

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D. Both B and C

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Correct Answer: Option D

Explanation:
Wavelength is distance between successive crests or successive troughs.

This question belongs to: Science Physics

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1 light year is equal to

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Explanation:
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The weight of a body at Earth's centre is

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Correct Answer: Option C

Explanation:
g=0 at centre, so weight zero.

This question belongs to: Science Physics

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