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Q. Why X-rays are not used in microscopes?
1) The wavelength of X-rays is slighter than that of the visible light.
2) X-rays can't be focussed as visible radiations are focussed using lenses.
3) X-rays can't be deflected by electric and magnetic fields.
The most probable radius (in pm) for finding the electron He + is: (1) 0.0 (2) 52.9 (3) 26.5 (4) 105.8 Ans: (c)26.5
When two rays of same frequency, similar wavelength, and similar speed moves in the same direction, their superimposition gives result in the interference. Due to interference the
Briefly explain resonance? Write down the condition of resonance for weak damping?
how earth is in non-inertial frame?
INFORMATION ABOUT PRALLEL FORCE
What are the pumping schemes? Pumping Schemes: a. Optical pumping through photons b. Electrical pumping through electric glow discharge/electric current/electron beam
Illustrate the demerits of ultrasonic magnetostriction method. Limitations of ultrasonic magnetostriction method: a. This can produce frequencies up to 3 MHz simply. b.
Draw the phasor diagram for an ideal transformer on no-load. (a) A 500 V/100V, single-phase transformer takes a full load primary current of 4A. Neglecting losses, Verify
A popular toy on the market some years ago was the water rocket. Water (at 10°C) was loaded into a plastic rocket and pressurized with a hand pump. The rocket was released and woul
If two soap bubbles of different radii are connected by a tube then, what happen? Ans) When these bubbles are joined through tube..the smaller bubble(with more pressure) gets its
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