Question
Which one of the areas marked (I - VII) represents the
doctors who plays football but do not play Cricketer?Solution
The doctors who plays football but do not play Cricketer can be represented by the area common to the triangle and the circle but outside the square. Such area is marked IV ’.
A larger force on a rotating body results in larger _____.
An object moves towards a convex lens of focal length 20 cm with a velocity of 5 cm/s. When the object is at 30 cm from the lens, find the rate at which...
‘Lubb-dupp’ sound is produced due to the action of
The magnetic equator is closely associated with which of the following?
A block of mass m rests on a smooth wedge of mass M, which in turn rests on a smooth horizontal surface. The wedge is accelerated horizontally with acc...
A body of mass 2 kg is moving with velocity 3 m/s. What is its kinetic energy?
A beam of light consisting of two wavelengths, 600 nm and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find...
A car increases its speed from 10 m/s to 30 m/s in 5 seconds. What is its acceleration?
Ratio of intensities of two waves with amplitudes 2 and 3 is:
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...