Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)
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The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
Instrument for measuring low temperatures is called
A body in equilibrium _______.
Meter in a vehicle that calculates distance covered by the vehicle is called __________.
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?
Addition of suitable impurities into semiconductor, is called
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