Choose the correct one:- Both, longitudinal and transverse waves can be produced- (a) using hammer (b) using metallic bob (c) using pendulum (d) using slinky Please explain as well.
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Asked:
December 2022
A ball, filled with air has a volume of 500 cm^3. What should be the minimum force applied by a child to put it completely inside water? Take g=10 m/s^2.
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Asked:
December 2022
If an object is immersed wholly in a liquid causing upthrust equal to the weight of the body, then what will be the relation between the Relative densities of liquid and the object?
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Asked:
December 2022
A rat, mosquito, earthworm and frog were kept in airtight boxes separately, in such a manner that only their head was outside, but they were fed with the food, according to their food habit. After sometime, it was found that one of them died. WHICH animal died and WHY?
An edge of a cube measures r cm. If the largest possible right circular cone is cut-out of this cube, then prove that the volume of the cone so formed is 1/6 pi r^3 (in cm^3). Please elucidate! :-)
abcxyz
Asked:
December 2022
A rat, mosquito, earthworm and frog were kept in airtight boxes separately, in such a manner that only their head was outside, but they were fed with the food, according to their food habit. After sometime, it was found that one of them died. WHICH animal died and WHY?