Question
Which of the following is the SI unit of
energy?Solution
The SI unit of energy is the joule. This unit is used to quantify the amount of work done, energy transferred, or heat evolved in various scientific and engineering contexts.
If a lens forms an image of magnification -2, what is the nature of the image?
The emission of a beta-minus particle from a nucleus results in:
A wire is stretched by a force such that it experiences a strain of 2 x 10-3. If Young’s modulus of the material is 2 x 1011 Pa,...
Which instrument is used to measure electric current? Â
Which of the following is not a nuclear reaction?
Water flows through a horizontal pipe at a constant volumetric rate. At a location where the cross sectional area decreases, the velocity of the fluid:
An object of mass ‘m’ be made to fall freely from a height ‘h’. At the start the potential energy is _____ and kinetic energy is ______.
...Which law explains the relation between pressure and volume of a gas at constant temperature? Â
The phenomenon of interference is based on the principle of:
Which law states that "the rate of heat loss of a body is directly proportional to the temperature difference between the body and its surroundings"?
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