Question

one mark question
1. the unit of mass is CGS .
a)kg
b)mg
c)gram
d)ton

2.which of the following is not the unit of heart?
a)Kelvin
b)celcius
c)Fahrenheit
d)mole

3.which instrument is used to measure light intensity?
a)photo meter
b)thermometer
c)baron meter
d)scale

4.the Unit of soild angle is
a)steradian
b)radian
c)meter
d)Kelvin


5.number of seconds in an hour
a)3300
b)2300
c)3600
d)4000





please answer all questions ​

Answer 1

Answer:

1 (c)

2 mole

3 baron meter

4 (a)

5 3300

Answer 2

QUESTION:-

Answer the following question with the correct option.

ANSWER:-

1. The unit of mass is CGS.

• C)Gram is the correct option.
• Gram is the unit of mass in CGS.
• C.G. S System stands for Centimeter, Gram and second Second. Centimetre for Length, Gram for Mass and Seconds for Time.

2. Which of the following is not the unit of temperature?

• D)Mole is the correct option
• Mole is not the unit of temperature.
• In the International System Of units, the mole is the unit of the amount of substance.
• Whereas, Kelvin, Celcius and Fahrenheit are the units of temperature.

3. Which instrument is used to measure light intensity?

• A)Photo Meter is the correct option
• A photometer is an instrument used to measure light intensity
• An instrument that is used to measure the intensity of light is called a photometer. It can be specified as a device that is used to measure visible light.

4. The Unit of solid angle is

• A)Steradian is the correct option
• The Unit of solid angle is steradian.
• Steradian is known as the subtended unit of solid angle, which has 4π steradians in a full sphere and whose area is equal to the radius of the sphere.

5. Number of seconds in an hour

• C)3600 is the correct option
• The number of seconds in an hour is 3600.
• There are 60 seconds in 1 minute and 60 minutes in 1 hour. Hence, 60 × 60 = 3600 seconds in an hour.

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