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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.
projectile down an inclined plane
1. A given radioactive sample emits only one type of radiation. When placed in a counter for 10 minutes, 1632 counts are registered. Then the sample is removed and a background
Chandrasekhar limit (S. Chandrasekhar; 1930) This is a limit that mandates that no white dwarf (a collapsed, degenerate star) may be more massive than approximates 1.4 masses
Explain the production of Newton's ring because of reflected light with a neat diagram. Get the expression for the diameter of both dark and bright ring.
assignment on the above topic in minimum 15 pages
Draw and discuss volt-ampere characteristics of a tunnel diode. Ans: Volt-ampere characteristics of a tunnel diode: The V-I characteristics of a tunnel diode are shown in fi
Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.
applications of polarisation with explanation
What is phyiscs Physics is a science. Science works according to the scientific method. The scientific method accepts only reason, logic, and experimental evidence to tell amon
explain with the aid of a diagram what is meant by the moment of a force about point
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