V K Sally and S K Aggarwal Solutions for Chapter: Heat Flow and Temperature, Exercise 3: EXERCISES

Author:V K Sally & S K Aggarwal

V K Sally Science Solutions for Exercise - V K Sally and S K Aggarwal Solutions for Chapter: Heat Flow and Temperature, Exercise 3: EXERCISES

Attempt the practice questions on Chapter 4: Heat Flow and Temperature, Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. Learning Elementary Science for Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from V K Sally and S K Aggarwal Solutions for Chapter: Heat Flow and Temperature, Exercise 3: EXERCISES with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

White clothes are cool in summer.

EASY
7th CBSE
IMPORTANT

What is the temperature of normal human being on celsius scale?

EASY
7th CBSE
IMPORTANT

Name the thermometer used for measuring the temperature of human body.

MEDIUM
7th CBSE
IMPORTANT

Why is convection not possible in the solids?

MEDIUM
7th CBSE
IMPORTANT

How does radiation differ from conduction and convection for the transference of heat?

EASY
7th CBSE
IMPORTANT

Binny was suffering from fever. Doctor took her temperature with the clinical thermometer. Binny requested the doctor to show the thermometer and observed it carefully. Then she asked the question related to the construction of clinical thermometer. The doctor explained that it has a triangular stem on which markings are 35 Â°C to 43 Â°C. It has a thin big bulb containing mercury which is connected to a very thin tube running inside the stem. This thin tube has a kink near the bulb. There was one marking to the stem, which was of red colour. Binny thanked the doctor for his good explanations.
Answer the following question based on above information:

What are the values shown by Binny?

EASY
7th CBSE
IMPORTANT

Binny was suffering from fever. Doctor took her temperature with the clinical thermometer. Binny requested the doctor to show the thermometer and observed it carefully. Then she asked the question related to the construction of clinical thermometer. The doctor explained that it has a triangular stem on which markings are 35 Â°C to 43 Â°C. It has a thin big bulb containing mercury which is connected to a very thin tube running inside the stem. This thin tube has a kink near the bulb. There was one marking to the stem, which was of red colour. Binny thanked the doctor for his good explanations. 
Answer the following question based on above information:

Why is the thermometer marked from 35 Â°C to 43 Â°C?

MEDIUM
7th CBSE
IMPORTANT

Binny was suffering from fever. Doctor took her temperature with the clinical thermometer. Binny requested the doctor to show the thermometer and observed it carefully. Then she asked the question related to the construction of clinical thermometer. The doctor explained that it has a triangular stem on which markings are 35°C to 43°C. It has a thin big bulb containing mercury which is connected to a very thin tube running inside the stem. This thin tube has a kink near the bulb. There was one marking to the stem, which was of red colour. Binny thanked the doctor for his good explanations.
Answer the following question based on above information:

Why is it necessary to measure the temperature of a sick person?