Which one is an example of converging lens?

Important Questions on Work, Power and Energy

HARD

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 25

A $100 W$ heater is used every day for $60\min$. If the heater is used for $30$ days, then how much energy has it consumed?

HARD

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 26

What is true about cones and rods?

MEDIUM

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 27

Anita is standing at a distance of $5$ metre from the plane mirror. What is the distance between Anita and her image?

MEDIUM

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 28

An object of unit mass is dropped from a height of $20 m$. What is its velocity when it strikes the ground? (Take $g=10 m/s^2$)

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 29

Select the group of poor conductors of heat.

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 30

The boiling point of water on the Celsius and Fahrenheit scales is respectively_____.

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 31

Which controls the opening of the pupil?

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>CHAPTER EXERCISE>Q 32

Which lens is used to correct myopia?