Which of the following statements is TRUE of photoelectric effect?

In the figure above, M and N are insulated metal spheres in contact. A negatively charged ebonite rod P is I brought near M. When M and N are Separated and t...

The fig above shows two connected bodies of masses M1 and M2 in equilibrium under gravity. The tension in the upper string is

In the above, a voltage V is applied across the terminals P and Q. The voltage across the 1 ohm resistor is

What type of reaction is represented by the following scheme? \[ {}^{2}_{1}X + {}^{2}_{1}Y + {}^{3}_{2}Z + {}^{1}_{0}n + \text{energy} \]

The velocity time graph above describes the motion of a particle between two points P and Q. What is the distance between P and Q?

Isotopes are nuclei which have

A 50kg block is dropped from a point 10cm above as shown in the fig above. if the force constant of the spring is 4.0 x 104Nm-1, find the maximum compression...

A radioactive sample initially contains N atoms. After three half-lives the number of atoms that have disintegrated is