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INTERFERENCE and DIFFRACTION:
INTERFERENCE: The physical effect of super position of waves from two sources vibrating with same frequency and amplitude is called the interference of waves.
DIFFRACTION : The bending of a wave or its deviation from the original direction of propagation when it meets a small obstacle is called diffraction.
Rutherford's alpha-scattering experiment recognized that the mass of atom is concentrated with small positively charged region at the centre which is known as 'nucleus'. Nuclei
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In the circuit shown in Figure, with the switch in position 1, the capacitor is uncharged. If he switch is moved to position 2 at time t =0s, measure (i) The initial curren
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A boy throws a ball of mass 20 kg vertically upwards.It raises to a maximum height of 100 m.At what height will the kinetic energy be reduced to 70%?
The vapour pressure of a substance at 20.0 o C is 38.1 kPa and its enthalpy of vaporisation is 49.6 kJ mol -1 . Estimate the temperature at which its vapour pressure is 80.0 k
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