Physics Class 11

Chapter 14 Semiconductors 1. Choose the correct option. Question 1. Electric conduction through a semiconductor is due to: (A) Electrons (B) holes (C) none of these (D) both electrons and…

Chapter 13 Electromagnetic Waves and Communication System 1. Choose the correct option. Question 1. The EM wave emitted by the Sun and responsible for heating the Earth’s atmosphere due to…

Chapter 12 Magnetism 1. Choose the correct option. Question 1. Let r be the distance of a point on the axis of a bar magnet from its center. The magnetic…

Chapter 11 Electric Current Through Conductors 1. Choose the correct Alternative. Question 1. You are given four bulbs of 25 W, 40 W, 60 W, and 100 W of power,…

Chapter 10 Electrostatics 1. Choose the correct option. Question 1. A positively charged glass rod is brought close to a metallic rod isolated from the ground. The charge on the…

Chapter 9 Optics 1. Multiple Choise Questions Question 1. As per the recent understanding, light consists of (A) rays (B) waves (C) corpuscles (D) photons obeying the rules of waves…

Chapter 8 Sound 1. Choose the correct alternatives Question 1. A sound carried by the air from a sitar to a listener is a wave of the following type. (A)…

Chapter 7 Thermal Properties of Matter 1. Choose the correct option. Question 1. The range of temperature in a clinical thermometer, which measures the temperature of the human body, is…

Chapter 6 Mechanical Properties of Solids 1. Choose the correct answer: Question 1. Change in dimensions is known as ………….. (A) deformation (B) formation (C) contraction (D) strain. Answer: (A)…

Chapter 5 Gravitation 1. Choose the correct option. Question 1. The value of acceleration due to gravity is maximum at (A) the equator of the Earth (B) the centre of…