A body which weighs 50N in air displaces 3.7kg of water when partially immersed in…
A body which weighs 50N in air displaces 3.7kg of water when partially immersed in water. Calculate the…
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The impulse of a force is deduced from Newton’s second law as
The impulse of a force is deduced from Newton’s second law as A. F = ma B. F…
A satellite revolving around the earth is kept on its orbit by
A satellite revolving around the earth is kept on its orbit by A. Centripetal forces only B. Centripetal…
A manometer is an instrument used for measuring
A manometer is an instrument used for measuring A. Relative density of liquid B. Pressure in liquids and…
Which of the following instruments can be used to measure current in an a.c circuit?
Which of the following instruments can be used to measure current in an a.c circuit? A. Hot wire…
Which of the following statements about wave motion is correct?
Which of the following statements about wave motion is correct? A. Electromagnetic waves are transverse B. Transverse waves…
Shadows and eclipse result from the
Shadows and eclipse result from the A. Reflection of light B. Rectilinear propagation of light C. Diffraction of…
Which of the following is obtained when a magenta is mixed with green colour?
Which of the following is obtained when a magenta is mixed with green colour? A. Yellow B. Blue…
Vapour is said to be saturated on top of an enclosed liquid if _________
Vapour is said to be saturated on top of an enclosed liquid if _________ A. The rate of…
A pool of water appears to be 1.00m deep when viewed vertically from above. What…
A pool of water appears to be 1.00m deep when viewed vertically from above. What is the actual…