# Physics 1st Year important Question Punjab Board

#### umer ikram

Long Questions

chapter# 2: rectangular compts vector. addition vector by R.compts, scalar vector product.
Chapter # 3: velocity time graph, elastic collision one dimension, law conservation momentum, projectile motion
chapter # 4: work is done by the gravitational field, absolute p.e.work done principle, interconversion p.E &K.E
chapter # 5: prove v=rw,artificial gravity,geostationary orbits
chapter # 6: terminal velocity eq of continuity, Bernoulli’s eq
chapter# 7:mass-spring system.circular motion.simple pendulum.
Chapter # 8: Newton formula speed sound effect temp, stationary waves in the stretched string, doppler effect.
Chapter # 9: Huygen principle, Michelson interferometer, diffraction grating eq.bragg law.
Chapter # 10:simple microscope,astronomical telescope,spec light,fiber optic principle
chapter # 11: the pressure of gases (p<1/2mv2>) 1st & 2nd law thermodynamics, isothermal process prove cp-cv=R cannot engine its efficiency

Short Questions

Chapter # 1: Definitions of Physics and its branches, quantities, and dimensions, units
Chapter :2: The Whole chapter.
Chapter 3: definitions of displacement, velocity, acceleration, momentum elastic and inelastic collisions, the law of conservation of momentum. Ex questions: 3.2, 3.7, 3.8, 3.9, 3.10
Chapter :4: Definitions of work, energy, power, and their units, energy and its types, escape velocity, work-energy principle, Ex Questions: 4.1-4.5, 4.10
Chapter: 5: all exercise questions
Chapter 6: All exercise questions + definitions of terminal velocity, fluid dynamics, the venturi effect
Chapter 7: Ex questions 7.1- 7.9
Chapter 8: Ex questions 8.3-8-7 + definitions of stationary waves
Chapter 9: Definitions of the wavefront, Hygen’s principle, diffraction, uses and properties of x-rays, Ex Questions 9.1-9.7
Chapter 10: Definitions of critical angle, refractive index, total internal reflection, a convex lens, and the concave lens, resolving power and magnification + Ex Questions 10.1-10.5
Chapter 11: Heat and temperature, the molar specific heat of gas, reversible process, kinetic theory of gas, Boyl’s Law, entropy and negative entropy, Ex
Questions: 11.5 -11.13

Numericals

1.3, 1.8
2.4, 2.5, 2.6, 2.8, 2.9, 2.10, 2.11
4.2, 4.3, 4.6, 4.8, 4.9
5.2, 5.3, 5.5, 5.6, 5.7
7.1, 7.2, 7.7, 7.8
8.3, 8.5, 8.6, 8.8
9.3, 9.8
10.3, 10.6, 10.8
11.2, 11.7, 11.8