EASY

NEET

IMPORTANT

Earn 100

The number of circular divisions on the shown screw gauge is $50$ . It moves $0.5 mm$ on the main scale for one complete rotation. The main scale reading is $2$ . The diameter of the ball is,

50% studentsanswered this correctly

Important Questions on Units and Measurement

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 98

The density of a solid ball to be determined in an experiment. The diameter of the ball is measured with a screw gauge, whose pitch is

0.5 mm

and there are

50

divisions on the circular scale. The reading on the main scale is

2.5 mm

and that on the circular scale is

20

divisions. If the measured mass of the ball has a relative error of

2 %

, the relative percentage error in the density is,

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 99

The diameter of a cylinder is measured using a vernier caliper with no zero error. It is found that the zero of the vernier scale lies between

5.10 cm

and

5.15 cm

of the main scale. The vernier scale have

50

divisions equivalent to

2.45 cm

. The

24^{th}

division of the vernier scale exactly coincides with one of the main scale divisions. The diameter of the cylinder is,

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 100

The main scale of a vernier caliper reads in $millimetre$ and its vernier is divided into $10$ divisions which coincides with $9$ divisions of the main scale. The reading for the shown situation is found to be $\frac{12 x}{10} mm$ . Find the value of $x$ .

Question Image

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 101

The circular scale of a micrometre has $200$ divisions and a pitch of $2 mm$ . Find the measured value of the thickness of a thin sheet.

Question Image

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 102

A travelling microscope has a main scale graduated in

\frac{1}{2} mm

50

vernier divisions coincide with

49

main scale divisions. What will be the reading if the main scale reads

7.45 cm

and the

29^{th}

division of the vernier coincides with the main scale division?

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 103

In a screw gauge, five complete rotations of a circular scale gives

1.5 mm

reading on linear scale. The circular scale have

50

divisions. The least count of the screw gauge is,

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 104

A screw gauge has a screw having

2

threads in

1 mm

. The circular scale have

50

divisions. Find the diameter of wire if the main scale shows

6^{th}

division and the vernier reads

46

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Mechanics I NEET>Chapter 2 - Units and Measurement>TOPICWISE QUESTIONS>Q 105

A vernier caliper have

20

divisions on the vernier scale which coincide with

19

divisions on the main scale. The least count of the instrument is

0.1 mm

. The main scale divisions are of

The number of circular divisions on the shown screw gauge is 50. It moves 0.5 mm on the main scale for one complete rotation. The main scale reading is 2. The diameter of the ball is,

Important Questions on Units and Measurement

Learn and Prepare for any exam you want !

The number of circular divisions on the shown screw gauge is $50$ . It moves $0.5 mm$ on the main scale for one complete rotation. The main scale reading is $2$ . The diameter of the ball is,