July 2020

Class 11 – Physics Chapter 10 – Mechanical Properties of Fluids Question :1. Explain why (a) The blood pressure in humans is greater at the feet than at the brain (b) Atmospheric pressure at a height of about 6 km…

Class 11 – Physics Chapter 9 – Mechanical Properties of Solids Question :1. A steel wire of length 4.7 m and cross-sectional area 3.0 × 10-5 m2 stretches by the same amount as a copper wire of length 3.5 m…

Class 11 – Physics Chapter 8 – Gravitation Question :1. Answer the following: (a) You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby…

Class 11 – Physics Chapter 7 – Rotational Motion Question : 1: Give the location of the centre of mass of a (i) sphere, (ii) cylinder, (iii) ring, and (iv) cube, each of uniform mass density. Does the centre of…

Class 11 – Physics Chapter 5 – Laws of Motion Question :1. Give the magnitude and direction of the net force acting on (a) a drop of rain falling down with a constant speed, (b) a cork of mass 10…

Class 11 – Physics Chapter 4 -Motion In A Plane Question :1. State, for each of the following physical quantities, if it is a scalar or a vector: volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement,…

Class 11 – Physics Chapter 3 – Motion In A Straight Line Question :1. In which of the following examples of motion, can the body be considered approximately a point object: (a) a railway carriage moving without jerks between two…

Class 11 – Physics Chapter 2 – Units And Measurements Question :1. Fill in the blanks (a) The volume of a cube of side 1 cm is equal to   …..m3 (b) The surface area of a solid cylinder of radius…

Class 11 – Physics Chapter 1 – Physical world Question : 1. Some of the most profound statements on the nature of science have come from Albert Einstein, one of the greatest scientists of all time. What do you think…