Question
The value of a and b so that the following is
probability mass function X:                           0             1             2 P(X =x):                               3a          3b          4b with mean 1.1, is:Solution
The correct answer is A
What is the total capacitance in the given circuit?
A 5 kg block at rest is hit by a 0.1 kg bullet moving at 500 m/s. The bullet gets embedded into the block. What is their final velocity?
A soap bubble expands isothermally and its radius doubles. The work done by surface tension during this expansion is:Â
The group velocity of matter waves associated with a moving particle is:
An electric heater draws a current of 6 A from a 220 V supply. What is the power consumed?
According to Kepler’s third law of planetary motion, the square of the orbital period of a planet is proportional to the __________.
If the vector sum of torques acting on a system is zero, then the object is in ________.
The phenomenon of interference is based on the principle of:
When water is heated from 0°C to 10°C. Its volume
What happens to the wavelength of light when it passes from a medium of higher refractive index to a medium of lower refractive index? Â
