1. 1
General Instructions:-
(i) The question paper comprises two sections, A and B. You are to attempt both the
sections.
(ii) All questions are compulsory.
(iii) All questions of Section-A and B are to be attempted separately.
(iv) There is an internal choice in two questions of three marks each and one question of
five marks.
(v) Question numbers 1 and 2 in Section-A are one mark question. They are to be
answered in one word or in one sentence.
(vi) Question numbers 3 to 5 in Section- A are two marks questions. These are to be
answered in 30 words each.
(vii) Question numbers 6 to 15 in Section-A are three marks questions. These are to be
answered in about 50 words each.
(viii) Question numbers 16 to 21 in Section-A are 5 marks questions. These are to be
answered in 70 words each.
(ix) Question numbers 22 to 27 in Section- B are based on practical skills. Each question
is a two marks question. These are to be answered in brief.
NIMS GROUP OF SCHOOLS, UAE
PERIODIC TEST-3:-2018
GENERAL SCIENCE
Grade: 9 CBSE Time: 1.5Hrs
Date : Marks: 40
2. 2
PHYSICS
1 What happens to the work done when the displacement of a body is at
right angles to the direction of force acting on it?
[1]
2 Define kinetic energy.
By how much will the kinetic energy of a body increase if
i) Speed is doubled ii) Mass is halved
[3]
3. State the principle of conservation of energy.
Explain the Law of conservation of energy by the motion of simple
pendulum
[3]
4. No. of joules in kWh is
a) 36×103
b) 36×10-4
c) 36×102
d) 3.6 ×106
A boy weighing 40 kg carries a box weighing 20 kg to the top of building
15 m high in 25 sec. Calculate the power. (g = 10 m/s2)
(3)
5. The balloon shown here is filled with water and is suspended from a
rope. Ramu wants to make a hole in the balloon so that the water comes
out with maximum force. At which point should he make the hole?
1
6. Rama suspects that the LPG cylinder is leaking, and immediately turns
the cylinder valve to the OFF position. What should she do next?
A. Switch on all lights.
B. Switch off all lights.
1
3. 3
C. Open all the windows.
D. Close all the windows.
7. Study the view of the globe given here. Which of these could be the time
in Tokyo at the position shown?
A. About 11 am
B. About midnight
C. About 9 pm
D. (Information insufficient)
1
![2
PHYSICS
1 What happens to the work done when the displacement of a body is at
right angles to the direction of force acting on it?
[1]
2 Define kinetic energy.
By how much will the kinetic energy of a body increase if
i) Speed is doubled ii) Mass is halved
[3]
3. State the principle of conservation of energy.
Explain the Law of conservation of energy by the motion of simple
pendulum
[3]
4. No. of joules in kWh is
a) 36×103
b) 36×10-4
c) 36×102
d) 3.6 ×106
A boy weighing 40 kg carries a box weighing 20 kg to the top of building
15 m high in 25 sec. Calculate the power. (g = 10 m/s2)
(3)
5. The balloon shown here is filled with water and is suspended from a
rope. Ramu wants to make a hole in the balloon so that the water comes
out with maximum force. At which point should he make the hole?
1
6. Rama suspects that the LPG cylinder is leaking, and immediately turns
the cylinder valve to the OFF position. What should she do next?
A. Switch on all lights.
B. Switch off all lights.
1](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)