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Measurement and Measuring Instruments
Unit – V Measurement and Measuring Instruments - PHYSICS
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Question 1 |
The smallest value that any instrument can measure is called _______ of the instrument.
range | |
least count | |
millimeter | |
error |
Question 2 |
The values between the minimum measurable value and the maximum value that can be measured is called _______.
range | |
error | |
length | |
least count |
Question 3 |
If the value is greater than that of actual value, it is called _______ error.
negative | |
parallax | |
positive | |
zero |
Question 4 |
The least count of the Vernier is
0.01 mm | |
1 mm | |
0.01 cm | |
1 cm |
Question 5 |
The accuracy of digital balance
1 g | |
.1 g | |
10 g | |
0.001 g |
Question 6 |
The SI unit of weight is
gram | |
kilogram | |
milligram | |
newton |
Question 7 |
_______ is used to measure the weight of human beings.
spring balance | |
weigh bridge | |
Medical scale | |
Digital balance |
Question 8 |
_______ is commonly used for measuring mass is shops.
Physical balance | |
Weigh bridge | |
Two pan balance | |
Hydraulic bridge |
Question 9 |
_______ is the most accurate clock.
quarts clock | |
mechanical clock | |
water clock | |
atomic clock |
Question 10 |
The earth is divided into _______ time zones.
24 | |
12 | |
10 | |
100 |
Question 11 |
_______ is used to measure the weight of lorries.
Hydraulic scale | |
Weigh bridge | |
Spring balance | |
Digital balance |
Question 12 |
The clock based on the principle of the shadow of an object being formed on the ground
Water clock | |
sun dial | |
graduated candle | |
quarts clock |
Question 13 |
The SI unit of mass is _______.
newton | |
kilogram | |
gram | |
milligram |
Question 14 |
If the zero of the vernier scale is to the left of the main scale zero, the error is
positive | |
negative | |
none of these | |
parallax |
Question 15 |
In ancient times the position of _______ was used to find time during night.
moon | |
candles | |
shadow | |
stars |
Question 16 |
1.5 x 107ms is equivalent to
0.5 s | |
5 s | |
50 s | |
500 s |
Question 17 |
which of the following parts of a Vernier calipers are used to measure the internal diameter of a cylindrical pipe?
depth probe | |
retainer | |
lower jaws | |
upper jaws |
Question 18 |
Match the following:
Sl.No | Characteristics | Value | |
|
|
|
|
4 3 1 2 | |
3 4 1 2 | |
1 2 4 3 | |
2 4 3 1 |
Question 19 |
Match the following:
Sl.No | Clock | Principle | |
|
|
|
|
4 1 2 3 | |
2 1 4 3 | |
3 4 1 2 | |
3 4 1 2 |
Question 20 |
Reason and Assertion
- Assertion (A) : The unit of mass is kilogram.
- Reason (R) : Mass of a body is the measure of the quantity of matter contained in a body.
A is correct R is wrong | |
R is correct A is wrong | |
A is correct R explains A | |
R does not explain A |
Question 21 |
- Assertion (A) : Hydraulic scale is used to measure the weight of lorries.
- Reason (R) : Medical scale is used to measure the body weight of human beings.
A is correct R is wrong | |
R is correct A is wrong | |
A is correct R explains A | |
Both A and R are correct |
Question 22 |
- Assertion (A) : Atomic clock is the most accurate clock.
- Reason (R) : Time period is directly proportional to length
A is correct R is wrong | |
R is correct A is wrong | |
A is correct R explains A | |
Both A and R are wrong |
Question 23 |
- Assertion (A) : Water clocks are based on containers which are slowly filled with water.
- Reason (R) : One complete to and for motion of the bob is amplitude
A is correct R is wrong | |
R is correct A is wrong | |
A is correct R explains A | |
Both A and R are wrong |
Question 24 |
- Assertion (A) : The symbol for nano is ŋ
- Reason (R) : nano is 10-9
A is correct R is wrong | |
A is wrong R is correct | |
A is correct R explain A | |
R does not explains A |
Question 25 |
If the zero of the Vernier scale is to the right of the main scale zero, the error is …………………
Positive | |
negative |
Question 26 |
…………… varies from place to place.
mass | |
weight |
Question 27 |
……………. Balance is used in jewellery shop
common balance | |
digital balance |
Question 28 |
…………. Is the most accurate clock
quartz clock | |
atomic clock |
Question 29 |
………….. time is calculated by the position of the sun.
Local time | |
standard time |
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There are 29 questions to complete.