Questions

TRUE / FALSE

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30 questions · timed · auto-graded

Question 11 Mark
When a comb is rubbed with dry hair both comb and paper get similarly charged.
Answer
False
Correct: A comb rubbed with hair and brought near pieces of r paper attracts them, because both have dissimilar charges.
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Question 21 Mark
If a negatively charged rod is brought near a negatively charged pith ball electroscope, the pith ball will be stuck with the rod.
Answer
False.
Correct: If a negatively charged rod is brought near a positively charged pith ball electroscope, the pith ball will be stuck with the rod.
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Question 31 Mark
To find whether the charge on a body is positive or negative, an uncharged electroscope is used.
Answer
False
Correct: To find whether the charge on a body is positive or negative, a charged electroscope is used.
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Question 51 Mark
An ebonite rod can be charged by touching it with a charged copper rod.
Answer
False
Correct: An ebonite rod can be charged by not touching it with a charged copper rod, will be charged by introduction method.
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Question 71 Mark
When an ebonite rod is rubbed with fur, the protons move from the ebonite rod to the fur.
Answer
False
Correct: When an ebonite rod is rubbed with fur, the free electrons move from the fur to the ebonite rod.
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Question 81 Mark
A glass rod rubbed with silk repels an ebonite rod rubbed with fur.
Answer
False.
Correct: A glass rod rubbed with silk attract an ebonite rod rubbed with fur.
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Question 101 Mark
In induction, a positively charged body can make an uncharged body positively charged.
Answer
False
Correct: In induction, a positively charged body can make an uncharged body negatively charged.
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Question 111 Mark
If a glass rod rubbed with silk is brought near the cap of a negatively charged electroscope, the divergence of leaves will decrease.
Answer
True.
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Question 121 Mark
The cap of gold leaf electroscope is made of copper.
Answer
False.
Correct: The cap of gold leaf electroscope is of brass.
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Question 141 Mark
When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.
Answer
False.
Correct: When an ebonite rod is rubbed with fur, the electrons move from fur to ebonite.
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TRUE / FALSE - PHYSICS STD 8 Questions - Vidyadip