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A scooterist is racing at a speed of 72 km per hour. If the radius of the wheel is 20 cm, find the angular speed of the wheels. Ans) 72kmph=20m/s 20cm=0.2m; v=rw w=v/r w=20/0
Elasticity is defined as the ability of a solid to return to its original shape even after being expanded or contracted. Elasticity is termed as the property of a solid to return t
Please explain diagram of nicol prism, How its working and how its mechanism,,,
It is the phenomenon of emission of electrons from the surface of metals, when light radiations (Electromagnetic radiations) of suitable frequency drop on them. The emitted electro
The coherent & rationalized system of units, derived through the m.k.s. system (that itself is derived from the metric system) in common employ in physics today.
Define Heat Capacity Ratio? To find C p /C v of a gas, one occasionally uses the following method. A certain amount of gas with preliminary temperature T 0 pressure P 0 and
why is the sky blue?
(i)Cathode waves always travel in straight path. (ii) Cathode rays exert mechanical force on the objects they strike. (iii) Cathode rays make fluorescence. (iv)
Using a wheel and axle Use the pencil sharpener that you used in experiment A 8. Pull on the end of the string that held the books and observe how rapidly the crank turns.
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