Question
An object at rest will remain at rest and an object in
motion will remain in motion until and unless it is acted upon by an external force. This is Newton's –Solution
Newton's first law of motion - sometimes referred to as the law of inertia-states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia.
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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