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DISPLACEMENT: The change in the position of a body from its starting position to its final position is known as displacement. It is denoted by d ?.
Finding the centre of gravity of objects Secure a triangular file and place it on a table as a balancing point. Any sharp-edged device with a hat side might be used. Balance se
A small sports car collides head on with a massive truck. a. Which vehicle will experience the maximum magnitude force: the car, the truck, or neither? Explain. Neither, they
Q. The radioactive isotope 84Pa214 undergoes a successive disintegration of two α decays and two β decays. Find the atomic number and the mass number of the resulting isotope.
Potential at a point in a field is described as the amount of work done in bringing a unit positive test charge; from infinite to that point along any arbitrary path. Electric pote
What is Fission and Fusion? Fission: The breaking down of a Nucleus (not atom) into minute nuclei. It is usually induced by a neutron. For instance, a Helium nucleus (known a
What do you mean by spontaneous process? Give examples. What is path and state functions? Give examples.
50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane
(i) These are positive ions having similar mass if the experimental gas does not have isotopes. However if the gas has substances then positive pulses are group of positive ions ha
Angle of Deviation: When a ray of light passes by a prism, It changes it's path inside the prism and forms an angle with the emergent ray. This angle is called as the angle of
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