Physics and Measurement [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 32 - 37 of 278
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Question 32
Question MCQ▾
Error in the measurement of radius of a circle is 1% . The error in the calculated value of its area is
Choices
Choice (4) | Response | |
---|---|---|
a. | 1% | |
b. | 2% | |
c. | 7% | |
d. | 3% |
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Question 33
Question MCQ▾
A physical quantity A is related to four observable a, b, c and d as follows, A =
the percentage errors of measurement in a, b, c and d are 1% , 3% , 2% and 2% respectively. What is the percentage error in the quantity A?
Choices
Choice (4) | Response | |
---|---|---|
a. | 14% | |
b. | 12% | |
c. | 5% | |
d. | 7% |
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Question 34
Question MCQ▾
The frequency of vibration of string is given by v = [Fm] Here P is number of segments in the string and l is the length. The dimensional formula for m will be
Choices
Choice (4) | Response | |
---|---|---|
a. | [M L-1 T0] | |
b. | [M L0 T-1] | |
c. | [M0 L T-1] | |
d. | [M0 L0 T0] |
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Question 35
Question MCQ▾
The percentage errors in the measurement of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimation of the kinetic energy obtained by measuring mass and speed?
Choices
Choice (4) | Response | |
---|---|---|
a. | 1% | |
b. | 8% | |
c. | 5% | |
d. | 11% |
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Question 36
Question MCQ▾
The number of significant figures in all the given numbers 25.12,2009, 4.156 and 1.217 × 10-4 is
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 | |
b. | 2 | |
c. | 3 | |
d. | 4 |
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Question 37
Question MCQ▾
10 the unit of Stefan՚s constant a is
Choices
Choice (4) | Response | |
---|---|---|
a. | Wm-2 K-1 | |
b. | Wm-2 K-4 | |
c. | Wm2 K-4 | |
d. | Wm-2 K4 |
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