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# PHY101 Current Final Term Papers Spring 2020 & Solved MCQs, Short Notes, Solved Past Papers, Solved Online Quizzes, E-Books, FAQs, Short Questions Answers & More

PHY101 Current Final Term Papers Spring 2020 & Solved MCQs, Short Notes, Solved Past Papers, Solved Online Quizzes, E-Books, FAQs, Short Questions Answers & More

PHY101 Share Your Current Final Term Papers Spring 2020 (05 September 2020 Onward) (Questions/Pattern) & Past Papers as well here to help each other. Thanks

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PHY101 VU Current Final Term Papers Spring 2020 (10 September onward)

#PHY101 current paper Final Term Spring 2020
2,3 mcq’s were from past papers
Subjective
1)Can magnitude of a vector have negative value?Explain
2)What is the major similarity and difference between galvanometer and simple electric meter?
3)Why doesn’t the Kelvin scale have any negative numbers?
4)Find the shift in wavelength of photons scattered by electron at ?
5)A ball is thrown horizontally from a height of 20m and it hits the ground with a speed that is three tumes its initial speed.What was the initial speed?
6)How can the average value of current be zero and yet the square root of the average squared current not b zero?
7)All objects radiat energy.Then why are we not able to see all the objects in a dark room?
8)A vessel is filled with gas at some equilibrium pressure and temoerature.Can all gas moleculs have same speed?
9)A copper telephone wire has essentially no sag between poles 35.0 m apart a winter day when the temperature is -20 C.How much longer is the wire on a summer day when .
10)Some scientists estimate that there will be 3-10 rie in earth’s surface why?
11)Is it true to consider ‘torque’ as ‘force’ explain?A torque that causes counterclockwise accelerate is positive or negative?

Phy101 Today Final Term paper (22-09-2020)
1. A conductor of uniform radius 1.20cm carries a current of 3.00 A produce by an electric field of 120 v/m. What is the resistivity of the material? 2 marks.
2. When green light shines on a rose, why do the petals look black? 2 marks.
3. The medium carrying a wave does not move along with the wave, how can you justify it? 2 marks.
4. Is it true that protons and newtrons have different charge but approximately the mass? Explain it. 2 marks.
5. What is wrong with the statement "Because the car is at rest, there are no forces acting on it"? How would you correct it? 3 marks.
6. In an conductor, changes in the electric field that drives electrons through the conductor propogate with a speed close to the speed of light, although the drift velocity of the electrons is very small. Explain how these statements can both be true. Does one particular electron move from one end of the conductor to the other? 3 Marks.
7. What is the necessary condition on the path length difference between two waves that interfere (a) constructively (b) destructively? 3 marks.
8. In view of the fact that hot air rises, why does it generally became cooler you climb a mountain? (Note that air has low thermal conductivity). 3 marks.
9. (a) Why is the material used to make the core of transformers so important?
(b) Why does a capacitor act a an open circuit at high frequencies? Why does it act as an open circuit at low frequencies? 5 marks.
10. Sound waves have much in common with light wave, including the properties of reflection and refraction. (Give examples of these phonomena for sound and wave) 5 marks.
11. Explain the fusion on sun. 5 marks.
12. An objects momentum depends upon the objects.
(a) mass, speed and acceleration.
(b) mass speed and direction of motion.
(c) speed and acceleration.
(d) velocity and direction.
(e) mass and acceleration.
Write the reason of your above selected choice as well. 5 marks

PHY101 Current Papers Final term Spring 2020

#PHY101 current paper
2,3 mcq’s were from past papers
Subjective
1)Can magnitude of a vector have negative value?Explain
2)What is the major similarity and difference between galvanometer and simple electric meter?
3)Why doesn’t the Kelvin scale have any negative numbers?
4)Find the shift in wavelength of photons scattered by electron at ?
5)A ball is thrown horizontally from a height of 20m and it hits the ground with a speed that is three tumes its initial speed.What was the initial speed?
6)How can the average value of current be zero and yet the square root of the average squared current not b zero?
7)All objects radiat energy.Then why are we not able to see all the objects in a dark room?
8)A vessel is filled with gas at some equilibrium pressure and temoerature.Can all gas moleculs have same speed?
9)A copper telephone wire has essentially no sag between poles 35.0 m apart a winter day when the temperature is -20 C.How much longer is the wire on a summer day when .
10)Some scientists estimate that there will be 3-10 rie in earth’s surface why?
11)Is it true to consider ‘torque’ as ‘force’ explain?A torque that causes counterclockwise accelerate is positive or negative?

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