NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1935 - 1938 of 5119
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Question 1935
Question Assertion-Reason▾
Assertion(Ꭺ)
Radius of gyration of a body is a constant quantity.
Reason(Ꭱ)
The radius of gyration of a body about an axis of rotation may be defined as the root mean square distance of the particles of the body from the axis of rotation.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
b. | Ꭺ is true but Ꭱ is false | |
c. | Both Ꭺ and Ꭱ are false | |
d. | Ꭺ is false but Ꭱ is true |
Question 1936
Question MCQ▾
A particle is suspended from a spring and it stretches the spring by 3 cm on the surface of earth. The same particle will stretches the same spring at a place 500 km above earth surface by -
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | 1.25 cm | |
c. | 2.58 cm | |
d. | 2.59 cm |
Question 1937
Question MCQ▾
What will be the acceleration due to gravity on the surface of the moon if its radius is the radius of the earth and its mass is the mass of the earth?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1938
Question MCQ▾
The radius of gyration of a disc of mass 80 g and radius 3 cm, about an axis passing through its center of gravity and perpendicular to the plane is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2.12 cm | |
b. | 1.76 cm | |
c. | 3.54 cm | |
d. | 6.54 cm |