NA

Author:Amit Rastogi

Amit Rastogi Science Solutions for Exercise - NA

Simple step-by-step solutions to NA questions of Sound from ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from NA with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT

Name two percussion instruments. How is the sound produced in such instruments?

EASY
8th CBSE
IMPORTANT

Name two musical instruments which produce sound through vibrating strings.

MEDIUM
8th CBSE
IMPORTANT

Write short notes on:
Noise and musical sounds

MEDIUM
8th CBSE
IMPORTANT

Write short notes on:
Ill-effects of noise

HARD
8th CBSE
IMPORTANT

The frequencies 391.99 Hz, 783.98 Hz and 1175.95 Hz are of a musical note.

MEDIUM
8th CBSE
IMPORTANT

Two separate taps on a pillar of the Vitthala temple at Hampi, Karnataka, produce sounds having a frequency 168 Hz and 112 Hz. What kind of a sound will it be? Why?

HARD
8th CBSE
IMPORTANT

Which of the following will not produce a musical sound?