HSEB Question Model For Physics | Grade XI

Time : 3 hrs | Full Marks : 75 | Pass marks : 27

Group ‘A’

1. Answer in brief, any SIX questions. [2 X 6 = 12]

        (a) What is the difference between accurate and precise measurement ?

        (b) A ball having a momentum P hits a bat and its momentum becomes –P. What is the change in the       momentum of the ball ?

        (c) State the condition of equilibrium of a system of co-planer forces.

HSEB Model Question Of Chemistry | Grade XI

Time: 3 hrs | Full Marks: 75 | Pass Marks: 27

Group ‘A’

Attempt any 15 questions  : [15 X 2 = 30]

1. State Law of reciprocal proportion.

2. The oxide of an element contains 67.67 % of oxygen and V.D. of its volatile chloride is 79

3. Define surface tension of Liquid.