CBSE Class 11 Physics Sample Paper SA1 2013

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CBSE Class 11 Physics Sample Paper SA1 2013

Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations. The sample papers have been prepared based on summative assessment1 and summative assessment 2 pattern. The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website.  All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students. 

General Instructions :

• All questions are compulsory.

• There are 30 questions in total. Q. Nos. 1 to 8 carry 1 mark each, Q. nos. 9 to 18 carry 2

marks each, Q. Nos. 19 to 27 carry 3 marks each and Q. Nos. 28 to 30 carry 5 marks each.

• There is no overall choice. However, internal choice has been provided in 1 question of 2

marks, 1 question of 3 marks and all 3 questions of 5 marks each. You have to attempt only

one of the given choices in such questions.

• Use of calculator is not allowed. You may use the log book if required.

Q.1 Write the dimensional formulae of gravitational constant, force constant.

Q.2 Two balls of different masses (one lighter and other heavier) are thrown vertically upward

with same initial speed. Which one will rise to the greater height?

Q.3 The force acting on a body is 5N. What is the rate of change of momentum of the body?

Q.4 Why are tyres made of rubber and not iron?

Q.5 What provides the centripetal force to a car taking a turn on a level road?

Q.6 Write SI unit of Impulse.

Q.7 A body is projected horizontally with uniform speed. What are the vertical and horizontal

components of acceleration of the body?

Q.8 A man suspends a fish from the spring balance held in his hand and the balance reads 9.8N.

While shifting the balance to his other hand, the balance slips and falls down. What will be

the reading of the balance during the fall?

Q.9 Determine the value of ‘n’, so that the vectors A = iˆ + 5 ˆj + nkˆ

r

and B = 2iˆ − ˆj + kˆ

r

are

perpendicular.

Q.10 A physical quantity P is related to four observables a, b, c, d as follows :

P =

cd

a b3 2

The percentage errors of measurements in a, b, c and d are 1%, 3%, 4% and 2% respectively.

What is the percentage error in quantity P ?

OR

Check the correctness of the relation :

V =

r

E

where V is speed of the sound in a medium of elasticity E and densityr .

Q.11 A body is moving with uniform angular speed ‘w’ along a circular path of radius ‘r’. Derive

the relation between the linear velocity and the angular velocity.

Please click the below link to access CBSE Class 11 Physics Sample Paper SA1 2013

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