Which of the following is not a unit of time?

Important Questions on Units : Fundamental and Derived Units

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 5

One light year distance is equal to

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 6

How many wavelength of ${\mathrm{Kr}}^{86}$  are contained in one metre?

HARD

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 7

One second is defined to be _____.

HARD

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 8

The SI unit of length is meter. If we choose $\mathrm{x} \mathrm{meter}$ as unit of length, then the area $1 {\mathrm{m}}^2$ will be written in terms of new unit, has a magnitude

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 9

In a particular system, the unit of length, mass and time are $10 \mathrm{m}. 10 \mathrm{gm}. \mathrm{and} 0.1 \sec .$ respectively. The unit of force in this system will be

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 10

Which of the following quantities are not expressed in proper units?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 11

$\mathrm{Js}$ is the unit of

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 2 - Units : Fundamental and Derived Units>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 12

SI unit of pressure is: