EASY
CTET Paper 2
IMPORTANT
Earn 100

An air bubble inside water behaves like a _____.

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Important Questions on Work, Power and Energy

MEDIUM
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 39
LED and CFL are very commonly used as sources of light in homes. Which of the following statements is true?
HARD
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 40
A 1000 W heater is used every day for 90 minutes. This heater will consume units of electrical energy in 30 days:
EASY
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 41
Which part of the eye is adjustable in accordance with the light conditions?
EASY
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 42
Which colour component of white light deviates the most through a prism?
EASY
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 43
The rate of doing work is known as _____.
EASY
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 44
Heat required to increase 1oC temperature of 1kg:
EASY
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 45
Image formed by a concave spherical lens is _____.
MEDIUM
CTET Paper 2
IMPORTANT
Science and Pedagogy CTET and TETs>Chapter 10 - Work, Power and Energy>Previous Years' Questions>Q 46
For an incident ray of light, if mirror is rotated by an angle theta, then reflected ray will rotate by an angle _____.