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A plane diffraction grating of width 2.5cm has 1500 rulings. Monochromatic light of wave length 5893A0 is incident normally on it. Determine the angle at which second order principal maximum occur.
your dog is running around the grass in your back yard. He undergoes successive displacements 3.50 m south, 8.20 m northeast, and 15.0 m west. What is the resultant displacement. h
Find the lowest frequency for which destructive interference Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase. Speaker B is 2.00 m
determination of refractive index
NON-INERTIAL FRAME OF REFERENCE: A frame which has non-uniform motion but particular acceleration is known as non-inertial frame of reference. Newton's first law of motion i
You are given 3 lenses l1,l2,l3 each of focal length 20 an object at 40cm in front of l1.the final real image is formed at focus i ofl3,find separation between l1,l2,l3 ? Ans) bet
Draw a graph showing the variation of binding energy per nucleon with mass number for dissimilar nuclei. Describe, with the help of this graph, the release of energy by the process
It is an instrument used to view pure spectrum. It makes dispersion without deviation with the help of n crown prisms and (n - 1½ flint prisms alternately arranged in a tabular str
A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
A circuit which employs a DIRECT CURRENT source has a branch which has a capacitor. After the circuit has reached a steady state, what is the magnitude of the current in the c
Tell me Is it possible that a nucleus has negative mass defect If the nucleus has a mass defect it is likely that the strong force and the weak force have sustained a main
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