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Explain the thermal detectors method of detection of ultrasonic waves. Thermal detectors method: It is the most generally used method of detection of ultrasonic waves. In th
Q. Why does heat makes matter to expand? Answer:- Water contracts as it cools similar to all other liquids until it reaches a temperature of about 4 degrees Celsius at whi
What is double refraction? Differentiate between ordinary and extra ordinary ray.
Q. What is Einstein's photoelectric equation? Explain the laws of photoelectric effect with the help of this equation. Photoelectric Effect : The emission of electron from
A drunkard is walking along a straight road.he takes 5 steps forward and 3 steps backward and so on.each step is one meter long and takes one second.there is a pit on the road 11 m
According to Eisenstein's quantum theory light propagates in the bundles of power, every packet being called as photon and possessing energy.
A galvanometer with a coil of resistance 120 ohm shows full scale deflection for a current of 2.5 mA. How will you change the galvanometer into an ammeter of range 0 to 7.5 A? Veri
Q. What is Heisenberg's uncertainty principle? Write the three forms of uncertainty relations. Ans. The principle of uncertainty was described by Heisenberg in 1927. Acco
what is meant by positive deviation of beer lambert''s low
Define Laterite stone. Laterite is called sedimentary rock. It has porous and spongy structure and can be simply quarried in blocks. It have high percentage of oxide of ion and
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