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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.