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Explain the term 'work function' of a metal. The threshold frequency of a metal is f0. When the light of frequency 2f0 is incident on the metal plate, the maximum velocity of electrons emitted is v1. When the frequency of the incident radiation is enhanced to 5f0, the maximum velocity of electrons emitted is v2. Find the ratio of v1 to v2.
It is a method of depositing a thin layer of one metal over one more metal by the method of electrolysis. The articles of cheap solids are coated with valuable metals like silver a
Q. Illustrate how do you compute shaft power? Answer:- Shaft power P = (2(pi) * (angular Speed in rpm) * (Torque at shaft))/ 60 Torque of a solid shaft is specified by
What are parallel forces?
composiotion of two simple harmonic motions ai right angles to each other nd having time period in the ratio 1:2
What do you mean by understand by the statement ‘charge is quantized'? The electric lines of force do not intersect. Why?
MANUFACTURING: Pure carbon is deposited on ceramic substrate by thermal decomposition of hydrocarbon at 1000 0 C. The sheet resistance of film is controlled by contro
Q. How will you measure thickness of thin silicon-chip using Bi-prism experiment? Derive the formula used. When a thin silicon chip, thin film of soap bubble etc. is introduc
A step-up transformer has a primary coil having of 152 turns and a secondary coil with 3040 turns. The primary coil receives a peak voltage of 98 V. a. What is the effectiv
prove - w2=w0+2alpha(thita-thita0)
The angular displacement of a body is a function of time and giving by equation h=10+3t+6t square,where t is in seconds.determine the angular velocity, acceleration when t=5seconds
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