Question
‘A’ and ‘B’ play a game where a coin is tossed 2
times. ‘A’ wins if both tosses give the same result. Find the probability that ‘A’ wins.Solution
Total number of outcomes = 2 2 = 4
Favourable outcomes = (HH), (TT) = 2 outcomes
Probability that ‘A’ wins = 2/4 = 1/2
A compound that is a white solid which absorbs water vapour from the air is
Deficiency of _________ causes the leaves to develop a dark green colouration.
What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
A body of mass 2 kg is moving in SHM with angular frequency 4 rad/s and amplitude 0.1 m. Max kinetic energy is:
A person is hurt on kicking a stone due to –
Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjace...
Silver bromide when kept in sunlight undergoes a change in color. What is the color formed?
Which of the following devices stores electrical energy in a magnetic field?
Which among the following is produced using ‘Haber Process’?
A current-carrying conductor is placed perpendicular to a uniform magnetic field. The force on the conductor is given by:
Relevant for Exams:
