Subject Experts Solutions for Chapter: Our Universe, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING)

Author:Subject Experts

Subject Experts Physics Solutions for Exercise - Subject Experts Solutions for Chapter: Our Universe, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING)

Attempt the free practice questions on Chapter 8: Our Universe, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING) with hints and solutions to strengthen your understanding. Pearson IIT Foundation Physics solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Our Universe, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING) with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

What are spring tides? Why are they formed? Explain.

HARD
7th CBSE
IMPORTANT

Explain the working of a rocket.

MEDIUM
7th CBSE
IMPORTANT

A body dropped from a height of 5 m, reaches the ground in 1 s. If it takes 2 s to reach the ground, find the height from which it is dropped.

HARD
7th CBSE
IMPORTANT

A body is dropped from a certain height and, it reaches the ground in 2 s. Another body which has twice the mass as that of the first body, when dropped reaches the ground in 4 s. Find the ratio of velocities acquired by them when they reach the ground.

MEDIUM
7th CBSE
IMPORTANT

Explain the construction of a barometer.

MEDIUM
7th CBSE
IMPORTANT

State and explain the law of gravitation.

MEDIUM
7th CBSE
IMPORTANT

What are tides? What are the causes of the occurrence of tides?

MEDIUM
7th CBSE
IMPORTANT

State the laws of freely falling bodies and describe Newton's 'guinea and feather' experiment. What is the inference drawn from the experiment?