EASY
AP EAPCET
IMPORTANT
Earn 100

Assertion (A) : Energy per unit volume and angular momentum can be added dimensionally.

Reason (R) : Physical quantities having same dimensions can be added or subtracted.

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Important Questions on Physical World and Measurement

MEDIUM
AP EAPCET
IMPORTANT
The speed of ripples (v) on water surface depends on surface tension (σ), density (ρ), and wavelength (λ). Then the square of speed (v) is proportional to
EASY
AP EAPCET
IMPORTANT
N divisions on the main scale of a vernier calipers coincide with N+1 divisions of the vernier scale. If each division of main scale is a units, then the least count of the calipers is