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WorksheetsLaws of motion and Optics
Total questions: 10
Worksheet time: 4mins
Inertia of a body depends on
Weight of the object
Mass of the object
Acceleration due to gravity of the planet
Impulse is equal to
Rate of change of momentum
Rate of force and time
Change of momentum
One kilogram force equals to
9.8 dyne
9.8 ×104 N
98 ×104 dyne
Passengers lean forward when sudden brake is applied in a moving vehile This can be explained by
(a)
A man of mass 100kg has a weight of ______at the surface of the earth
980 N
970 N
960 N
950 N
Where should an object should be placed so that a real and inverted image of same size is obtained by a convex lens.
The refractive index of a transparent medium is always greater than
(a)
Amount of light entering into the eye is controlled by
(a)
A small bulb is placed at the princpal focus of a convex lens. When the bulb is switched on, the lens will produce.
a convergent beam of light
a divergent beam of light
a parallel beam of light
