List of practice Questions

A man is looking his magnified image in a mirror placed in front of him. The kind of mirror he is using is ________
A nicol prism is based on the principle of ______
Eight dipoles with charges of magnitudes e are placed in side a cube. The total electric flux coming out of the cube will be
In an series LCR circuit the phase difference between voltage across R and C is
In Newton's rings experiment the diameter of certain order of dark ring is measured to be double that of second ring. What is the order of the ring.
Parallel rays of light entering a convex lens always converge at ______
A tube closed at one end containing air is excited. It produces the fundamental note of frequency 512 Hz. If the same tube is open at both the ends, the fundamental frequency that can be produced is
If the coefficient of cubical expansion is 'x' times of the coefficient of superficial expansion, then value of 'x' is
The distance between the nearest node and antinode in a stationary wave is
The specific heat of a gas in an isothermal process is
The volume of 1m3 of gas is doubled at atmospheric pressure. The work done at constant pressure will be
Which of the following is adiabatic gas equation?
A spring of force constant K is cut into two pieces such that one piece is double the length of the other.Then the long piece will have a force constant of
Angular momentum is
____ possess maximum value for rigidity modulus.
The change in the gravitational potential energy when a body of mass m is raised to a height nR above the surface of the earth is (here R is the radius of the earth)
The restoring force of a system of mass executing SHM is 4N. If its displacement is 4 cm then the force constant is
The time period of a simple pendulum on a freely moving artificial satellite is
If a car accelerates from 20 m/s to 40 m/s in 10 s and its forward thrust is equal to 3 kN, what is the mass of car?
The length of a body is measured as 3.51 m. If the accuracy is 0.01 m, then the percentage error in the measurement is _______
Which one of following is a characteristic of force? It
A star is very far from earth. If light takes 10 years from it to reach the earth, calculate the distance between star and earth.
Excluding the halts, the speed of the bus is 50 km/ hr and including the halts it is 40 km/hr. For how many minutes does the bus stop per hour?
In a running race, when one runner allows another runner to stay ahead at the start of the race, then it is termed as startup and when runners reach the finishing line at the same time, then it is termed as dead heat. In a race of 4 km distance, Anu wins by 600m over Binu. Binu can give a startup of 200m to Caira in a 4 km race. By how much distance should Caira get startup so that the race between Anu and Caira ends in dead heat in the same race of 4 km?
A man purchased a TV and fridge. If the price of TV is 150% of price of fridge then price of fridge is what percentage of the total cost of TV and fridge?