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Monochromatic light (single wavelength) falls on two narrow slits S1 and S2 which are very close together acts as two coherent sources, when waves coming from two coherent sources (S1, S2) superimposes on each other, an interference pattern is verified on the screen. In YDSE alternate bright and dark bands obtained on the screen. These bands are known as Fringes.
An atom which has lost one electron would be: (1) Negatively charged () Positively charged (3) Electrically neutral (4) Carry double positive charge Ans: Elec
contruction
Energy Conservation on an Incline In the given case of the cart rolling down predispose and there are three external forces (the general force, the force of friction and air re
Q. Illustrate what is meant by 4th dimension? Answer:- When a reference is utilized to four-dimensional co-ordinates it is possible that what is referred to is the three s
why is the colour of sky blue
The value of G, the universal gravitational constant, was measured experimentally by: a) Newton b) Cavendish c) Copernicus d) Kepler Ans: The value of th
Refractive index: The most important optical measurement for any transparent material is its refractive index (n). The refractive index is the ratio of the speed of light (c)
A block is placed under the head of the claw hammer to aid in removing the nail. The pull on the handle is P39 N, the angle of the hammer to the vertical is P40 and the length of
A bat emits a sound whose frequency is 142 kHz. The speed of sound in air at 20.0°C is 343 m/s. However, the air temperature is 35°C, so the speed of sound is not 343 m/s. Find the
How can you measure wavelength in centimeters using a ruler?
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