1
Group B
Attempt any Three questions.
4x3=12
8. Derive expression for energy stored...
1
Group B
Attempt any Three questions.
4x3=12
8. Derive expression for energy stored in a stretched wire.
2. Derive mirror formula - +
f
10. Use triangle law of vector addition to find magnitude and direction of
resultant of two vectors.
11. How can a body be charged positively by method of induction.
и
v
Group C
Attempt any Two numerical
4x2=8
12. Change 36 km/hr into m/s by method of dimension.
13. A wire 2m long and cross sectional area 10-6 m² is stretched 1mm by force
50N. Calculate
i) Strain
ii) Young's modulus iii) energy stored.
14. Two vectors each of magnitude 5 are inclined at 60°. Find magnitude and
direction of resultant.
Answers: 2
Physics, 22.06.2019 10:00, Trinhphuongtran
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 22.06.2019 11:00, velazquezemmy45
What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.
Answers: 1
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