Physics GK · all questions

Unit and Measurement
practice.

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301

Questions

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Q141

Which one of the following is the value of 1 nanometre?

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Q142

1Pascal = ?

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Q143

The unit of the force is

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Q144

Assertion (A) Light year and wavelength both measure distance.
Reason (R) Both have dimension of time.

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Q145

Match List-I with List-II and select the correct answer:

List-I (Physical quantities)	List-II (Units)
a. Acceleration	1. Joule
b. Force	2. Newton second
c. Work done	3. Newton
d. Impulse	4. Metre/second²

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Q146

1 Diopter is equal to-

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Q147

SI unit of weight is-

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Q148

Which of the following is not a vector quantity?

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Q149

Match List-I with List-II and select the correct answer:

List-I	List-II
a. Stethoscope	1. To measure intensity of light
b. Sphygmomanometer	2. To check purity of gold
c. Caratometer	3. To hear heart sound
d. Lux meter	4. To measure blood pressure

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Q150

Which one of the following is not correctly matched?

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Q151

Megawatt is the measuring unit of power which is

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Q152

Which instrument is used for measuring humidity in the air?

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Q153

Which of the following is a vector quantity?

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Q154

Which of the following is a scalar quantity?

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Q155

Which of the following is a lie detector machine?

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Q156

Fundamental quantities

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Q157

The SI unit for the average velocity is . . . . . . . .

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Q158

In work -

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Q159

Which of the following does not match?

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Q160

One Nanometer is equal to

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