A lens of focal length 15cm forms an erect image which is three times the…
A lens of focal length 15cm forms an erect image which is three times the size of the…
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An object weighs 30N in air and 21N in water. The weight of the object…
An object weighs 30N in air and 21N in water. The weight of the object when completely immersed…
Which of the following instruments is most suitable for measuring the outside diameter of a…
Which of the following instruments is most suitable for measuring the outside diameter of a narrow pipe in…
Electrical power is transmitted at a high voltage rather than a low voltage because the…
Electrical power is transmitted at a high voltage rather than a low voltage because the amount of energy…
Palm oil from a bottle flows out more easily after it has been heated because…
Palm oil from a bottle flows out more easily after it has been heated because the A. Molecules…
The efficiency of energy conversion on the energy flow through a hydroelectric power is?
The efficiency of energy conversion on the energy flow through a hydroelectric power is? A. (frac{E1}{E2}) B. (frac{E3}{E2})…
A particle of mass M initially at rest splits into two. If one of the…
A particle of mass M initially at rest splits into two. If one of the particles of mass…
Which of the following is the dimension of pressure
Which of the following is the dimension of pressure A. ML(^{−1})T(^{−2}) B. MLT(^{−2}) C. ML(^{2})T(^{3}) D. ML(^{−3}) Correct…
Which of the following is not a product of nuclear fusion?
Which of the following is not a product of nuclear fusion? A. X – ray B. Y –ray…
A room is heated by means of a charcoal fire, an occupants of the room…
A room is heated by means of a charcoal fire, an occupants of the room standing away from…