Download App

Unit - 6.2 Reflection and Characteristics of Sound — PHYSICS STD 7 — Question

ICSE BoardEnglish MediumSTD 7PHYSICSUnit - 6.2 Reflection and Characteristics of Sound2 Marks
Question
How can you design a sound-proof box?
✓

Answer

Find a box several inches bigger than your object on all sides. Cover the interior of the box with one layer of soundproofing material. Cut cardboard into squares about 2 inches in length and width. Cover the cardboard squares with leftover carpet (or other material).

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Unit - 6.2 Reflection and Characteristics of Sound→Unit - 6.2 Reflection and Characteristics of Sound — all question types→PHYSICS STD 7 question papers→ICSE Board STD 7 question papers→ICSE Board question paper generator→

Similar questions

State two ways by which the strength of magnetic field of an electromagnet can be increased ?
→
Without using a measuring scale, how can you find the area of the following correctly?
(a) 5 rupees coin:
→
Name the animals that use ultrasonic sound. Explain for any one of the animals.
→
Find the volume of a liquid present in a dish of dimensions $10 cm x 10 cm x 5 cm.$
→
(a) What is potential energy?
(b) Explain potential energy by giving an example.
→
Name four appliances which work using electricity ?
→
Write any two applications of convection currents in air.
→
Why are small gaps left in between the rails?
→
What do you understand by the term volume of a substance.
→
Describe the types of motion of a screw when it is turned.
→