Science

 ARMY PUBLIC SCHOOL UDHAMPUR

CYCLE TEST-7

SUBJECT – Science Class-8 M.M: 10

General instructions : Read and attempt all the questions carefully

Each question carry 2 marks: (2X5=10)

1. Differentiate between audible sound and inaudible sound? (2 points)

2. Write a short note on

1 Larynx

2 Pitch of a sound

3. Explain why sliding friction is less than static friction.

4. How friction is caused?

5. A simple pendulum makes 20 oscillations in 40 seconds. What is the time period and frequency of its oscillation?


Comments

Anonymous said…
Sir abhi apna pd1 ka ni dala ha paper ma APS school jammu sa bol raha hu apna Mari bhot help ki ha thanku so much sir
17 July 2025 at 06:35
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