Explore topic-wise MCQs in Physics.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is least count of an instrument?

A. The lowest value that can be measured accurately
B. The greatest value that can be measured accurately
C. Half of the lowest value that can be measured accurately
D. Mean of the lowest and highest values
Answer» B. The greatest value that can be measured accurately
2.

Usually how many types of errors are present in scientific measurements?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
3.

Range of an instrument is _____

A. The minimum value that can be measured
B. The maximum value that can be measured
C. All values starting from the minimum to the maximum that can be measured
D. The average of all values that can be measured
Answer» D. The average of all values that can be measured
4.

In 5 experiments with the same objective, the values obtained are very near to each other. These values can be called ____

A. Precise
B. Accurate
C. Average
D. Invalid
Answer» B. Accurate
5.

How are systematic errors removed usually for an instrument?

A. By replacing it
B. By re-calibrating it
C. By using a repairing service
D. By not using it for some time
Answer» C. By using a repairing service
6.

What is the reason for the occurrence of systematic errors in an instrument ?

A. No use for a long time
B. High use
C. Manufacturing fault
D. Delivery fault
Answer» C. Manufacturing fault
7.

In an experiment, it is found that the experimental value is very close to actual value, hence the experimental value can be called _____

A. Accurate
B. Precise
C. Suitable
D. Mean
Answer» B. Precise