Question
Question 16:
Fill in the following blanks with suitable words :
(a) Power is the rate of doing ___________.
(b) One watt is a rate of working of one ___________ per ___________.
(c) The electricity meter installed in our homes measure electrical energy in the units of ___________.
(d) The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.
(e) When a ball is thrown upwards, ___________ energy is transformed into ___________ energy.
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Answer:
(a) Power is the rate of doing work.
(b) One watt is a rate of working of one joule per second.
(c) The electricity meter installed in our homes measure electrical energy in the units of kilowatt- hour.
(d) The principle of conservation of energy says energy can be transformed from one form to another, but it cannot be created or destroyed.
(e) When a ball is thrown upwards, kinetic energy is transformed into potential energy.
(b) One watt is a rate of working of one joule per second.
(c) The electricity meter installed in our homes measure electrical energy in the units of kilowatt- hour.
(d) The principle of conservation of energy says energy can be transformed from one form to another, but it cannot be created or destroyed.
(e) When a ball is thrown upwards, kinetic energy is transformed into potential energy.
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Question 16:
Fill in the following blanks with suitable words :
(a) Power is the rate of doing ___________.
(b) One watt is a rate of working of one ___________ per ___________.
(c) The electricity meter installed in our homes measure electrical energy in the units of ___________.
(d) The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.
(e) When a ball is thrown upwards, ___________ energy is transformed into ___________ energy.
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(b) One watt is a rate of working of one ___________ per ___________.
(c) The electricity meter installed in our homes measure electrical energy in the units of ___________.
(d) The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.
(e) When a ball is thrown upwards, ___________ energy is transformed into ___________ energy.
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Question Text | Question 16:
Fill in the following blanks with suitable words : (a) Power is the rate of doing ___________. (b) One watt is a rate of working of one ___________ per ___________. (c) The electricity meter installed in our homes measure electrical energy in the units of ___________. (d) The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________. (e) When a ball is thrown upwards, ___________ energy is transformed into ___________ energy. |
Topic | Work and Energy |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 |
Upvotes | 35 |