Sample Paper for Physics for DEE-DME-DECE First YearItsMyAcademy.com

# Sample Paper for Physics for DEE-DME-DECE First Year

Sample Paper for Physics for DEE-DME-DECE First Year

TERM END EXAMINATIONS

DEE/DME/DECE/ SEMESTER/YEAR- I

# PHYSICS

### Duration -3 Hours                                                                                               Max Marks: 60

Note:  1. Attempt any FIVE questions.

2. All questions carry equal marks.

1. Explain with at least 2 examples the principle of homogeneity.

1. Derive the following equations:

v = u + at

v2 = u2 + 2as

s = ut + 1/2 at2

1. State and explain Newton’s Laws of Motion.

1. A projectile is thrown horizontally fro a certain height above the ground. Show that the trajectory is parabolic. Find formulae for

(i) Time of ascent                                (ii) Time of flight

(iii) Maximum height                          (iv) Horizontal range

1. What is principle of conservation of energy? Show that total mechanical energy is conserved in the case of a freely falling body.

1. Define Simple Harmonic Motion. Also, derive the equations of Kinetic Energy and Potential Energy of SHM.

1. State the Laws of Reflection and Refraction of Light. With the help of sketches distinguish between Real and Virtual Image.

1. State and explain Coulomb’s Law and define Unit Charge, Electric Field, and Electric Flux.

1. Explain with the help of diagram the theory of Wheatstone’s bridge.