Haneet Gandhi and Yukti Sharma Solutions for Chapter: Understanding Natural Phenomenon, Exercise 2: PREVIOUS YEARS' QUESTIONS

Aman keeps a plastic bottle, a wooden spoon and a metallic spoon in a closed room overnight. The room temperature is $30°\mathrm{C}$. In the morning, he records the temperatures of the three objects as $\mathrm{T}1$, $\mathrm{T}2$ and $\mathrm{T}3$. Which of the following most likely represents the relation between them?

The air near a heat source gets hot and rises. The air from the sides comes in to take its place. It is how the air gets heated by all heaters. What is this process called?

A book is lying at rest on the surface of a table. Which one of the following statements is true about the force(s) acting on it?

There are two planets in our solar system that rotate from east to west. These planets are _____.

Consider the following terms:
I. Lightning
II. Landslide
Ill. Thundering
IV. Tsunami
V. Floods
Earthquakes can cause

Which one of the following planets has no natural satellite of its own?

An object of mass $6 \mathrm{kg}$ is sliding on a frictionless horizontal surface with a uniform speed of $3$ miles. The force required to keep the object moving at the straight line is

The reason of sea breeze is _____.