Physics and Measurement-Errors in Measurement [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 16 - 20 of 42
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Question 16
Question MCQ▾
Which of the following pairs have same dimensions?
Choices
Choice (4) | Response | |
---|---|---|
a. | Angular momentum and work | |
b. | Torque and Energy | |
c. | Energy and Young՚s modulus | |
d. | Energy and wavelength |
Question 17
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% |
Question 18
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% |
Question 19
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% |
Question 20
Question MCQ▾
A physical parameter a can be determined by measuring the parameters b, c, d and e using the relation a =
If the maximum errors in the measurement of b, c, d and e are b1 % , c1 % , d1 % , and e1 % , then the maximum error in the value of a determined by the experiment is
Choices
Choice (4) | Response | |
---|---|---|
a. | (b1 + c1 - d1 - e1) % | |
b. | (b1 + c1 + d1 + e1) % | |
c. | (b1 + c1 + d1 + e1) % | |
d. | (b1 + c1 - d1 - e1) % |