Which of the following is a false statement ?
A) The motion of an object depends on the position of an observer.
B) The rest of an object depends on the position of an observer.
C) Motion is relative.
D) Rest is not relative.
1 Answers
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In projectile motion, vertical motion and horizontal motion are dependent of each other. Yes or No? Justify your answer.
No. In projectile motion, the horizontal and vertical motion are independent of each other because both motions don’t affect each other.
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An observer is travelling in east with a velocity of 2 m/s and observes that wind is blowing in north with a velocity of 2m/s. If observer doubles his
Correct Answer - `2sqrt(2)m//s` N-W
2 Answers 1 views
Write true or false. Correct the false statement : A. Homolytic fission involves unsymmetrical breaking of a covalent bond.
A. False Homolytic fission involves symmetrical breaking of a covalent bond. B. False Heterolytic fission results in the formation of charged ions like cation and anion. C. False Free radicals are electrically neutral/uncharged species. D. False Aniline...
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When the object is in denser medium’ and the observer is in rarer medium, the object should appear …………………..
A) closer than the original position
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When an object exerts a force on other object, the result will be explained by ……………… of motion.
C) Newton’s third law
2 Answers 1 views
The statement: “An object in motion will remain in same motion as long as no external force is applied on it” is given by
Correct option is A) Galileo
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The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object ?
A) Between the pole of the mirror and its principal focus
2 Answers 9 views
The capacity of doing work by an object depends on ………………. and of the object which is doing work.
A) position, state
2 Answers 1 views
Frictional force on a object in a fluid depends on A) Shape of the object
C) All of the above
2 Answers 1 views
State whether the following statements are TRUE or FALSE. Correct the false statement. 1. Electronic configuration of hydrogen is 1^(st)
i. True ii. False Hydrogen atom does not exist freely and is always associated with other molecules i.e., H3O+ . iii. True iv. True
2 Answers 1 views