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

Edit

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%

Edit

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%

Edit

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%

Edit

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) %

Edit