RRB Group-D Model Paper 20 with answers for online practice

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Question : 81 of 100

Marks: +1, -0

A unitless physical quantity is

angle
latent heat
specific gravity
density

Solution:

Physical Quantity	SI Unit
Angle	rad (Radian), º (degree)
Latent Heat	J/kg (joule per kilogram)
Specific Gravity	None
Density	${kg}8/m^3$ (kilogram per cubic metre)

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