Question
Select a figure from amongst the Answer Figures.
ÂSolution
The central arrow rotates 90 o ACW and 45 o CW alternately. The half-arrow moves half-a-side of the square boundary in a CW direction and its head turns to the other side of the line in each step.
A spherical ball made of steel when dropped in mercury container will –
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
A wire loop in the shape of a square of side a carries a current I. If an infinitely long straight wire carrying the same current passes through the cen...
A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If t...
An electron and a proton are accelerated by the same potential difference. Which one has a longer de Broglie wavelength?
In order to investigate the internal atomic structure of crystals, we make use of:
A constant retarding force of 60 N is applied to a body of mass 25 kg moving initially with a speed of 12 m s–1. How long does the body...
The resistance of the human body (dry condition) is of the order of –
A particle starts from rest and accelerates uniformly at 2 m/s² for 5 seconds, then moves with constant speed for 5 seconds and finally decelerates uni...
When a liquid is heated in a container, which of the following processes primarily causes the heat transfer within the liquid? Â
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