Question
B. Saroja Devi, the first female superstar of Kannada
cinema, was conferred the Padma Bhushan in which year?Solution
B. Saroja Devi received the Padma Bhushan in 1992. She was earlier awarded the Padma Shri in 1969 and is widely regarded as a legendary figure in Kannada and South Indian cinema.
 The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...
A sphere of radius 1m encloses a charge of 10μC. Another charge of −5μC is placed inside the sphere. The net electric flux would be :
Which lens is used to correct myopia (shortsightedness)? Â
Which of the following is a characteristic of a conductor? Â
Two spherical conductors of radii 2 cm and 8 cm are connected. The ratio of charges on them at equilibrium is:
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
Why does a fountain pen leak on an airplane flying at high altitude?
Which of the following is an example of longitudinal waves in a gas medium?
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...
The energy emitted by the Sun is due to
