Question
Water flows through a horizontal pipe at a constant
volumetric rate. At a location where the cross sectional area decreases, the velocity of the fluid:Solution
The correct answer is A
What is the SI unit of power?
Which lens is used to correct myopia (shortsightedness)?
What is the work done if a force of 15 N moves a body by 3 meters in the direction of force?
A spherical ball made of steel when dropped in mercury container will –
What happens to the resistance of a wire if its length is doubled?
The wavelength produced by a He-Ne laser corresponds to the transition in:
An electron in a hydrogen atom de-excites from the 4th to the 2nd level. The wavelength of emitted photon falls in which series?
Which of the following is not a nuclear reaction?
A string of length L is fixed at both ends. It supports a standing wave with 3 antinodes. If the speed of the wave on the string is v, what is the freq...
A person throws a ball from ground level at speed u and angle θ. The ball reaches maximum height H and range R. What is the ratio H/R?
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