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Physics 10th Class English Medium Chapter 4
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- Physics 10th Class English Medium Chapter 4 0%
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Question 1 of 12
1. Question
Safe level of noise depends on factors:
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Question 2 of 12
2. Question
Sound waves having frequency higher than 20,000 Hz are called:
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Question 3 of 12
3. Question
SI unit of electric potential is:
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Question 4 of 12
4. Question
A positive electric charge:
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Question 5 of 12
5. Question
If we double the distance between two charges, then force becomes
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Question 6 of 12
6. Question
An object gains excess negative charge after being rubbed against another object, which is:
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Question 7 of 12
7. Question
The technique or method used to absorb undesirable sounds by soft and porous surface is called:
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Question 8 of 12
8. Question
Sound waves having frequency lower than 20 Hz are called:
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Question 9 of 12
9. Question
Coulomb’s law is mathematically stated as:
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Question 10 of 12
10. Question
At room temperature, electrons cannot escape the metal surface due to โฆโฆโฆโฆ.. of atomic nucleus:
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Question 11 of 12
11. Question
NOT gate is also called:
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Question 12 of 12
12. Question
The 1st practical electric battery is known as:
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