Experimental Skills [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 5 - 8 of 175
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Question 5
Question Assertion-Reason▾
Assertion(Ꭺ)
Position of center of mass is independent of the reference frame.
Reason(Ꭱ)
Centre of mass is same for all bodies.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is true but Ꭱ is false | |
b. | Both Ꭺ and Ꭱ are false | |
c. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
d. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ |
Question 6
Question MCQ▾
A T shaped object, dimensions shown in the figure, a1 lying on a smooth floor. A force F is applied at the poi: P parallel to AB, such that the object has only the translational motion without rotation. Find the location o2 P with respect to C
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | I | |
d. |
Question 7
Question MCQ▾
Three identical spheres, each of mass 1 kg are kept in line, touching each another, with their centers on a straight line. If their centers are marked P, Q, R respectively, the distance of center of mass of the system from P is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 8
Question MCQ▾
Choose the wrong statements about the centre of mass of a body
(1) It lies always outside the body
(2) It lies always inside the body
(3) It lies always on the surface of the body
(4) It may lie within, outside or on the surface of the body
Select the correct answers and mark it according to the following codes:
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 2 are correct | |
b. | 1 and 3 are correct | |
c. | 1,2 and 3 are correct | |
d. | 2 and 4 are correct |