The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.
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If a body is whirled in a circle, then the work done on it ___.
What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?
In a concave mirror when the object is placed at infinity which of the following applies to the image?
Which country hosted the FIFA Under 17 (U-17) World Cup in 2017?
A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
DF, GJ, KM, NQ, RT, ?
A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of theconical heap is 24 cm, what is the radius of its base?
In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.
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