Free Printable dimensional formula

1.

if the dimensional formula of X = MLT^-2 and of Y = MT^-1 ,so X/Y expresses ……

a)

acceleration

b)

speed

c)

density

2.

all of the following are unit of work except……………

a)

joules

b)

N.m

c)

kg m² s^-2

d)

kg m s^-2

3.

If the dimensional formula of A and B are M and $LT^{-1}$ ,Find the dimensional formula of C = $\frac{3}{2}$ $BA^2$

a)

$M^2LT^{-1}$

b)

$ML^2T^{-2}$

c)

$MLT^{-1}$

4.

if the dimensional formula X = $MLT^{-1}$ , K = $LT^{-2}$ and of Y = MT ,so the possible relation that can include these physical quantity is ……

a)

$X=\frac{Y}{K}$

b)

$Y=\frac{X}{K}$

c)

$Y\ =\ X\ K$

5.

the radius of helium atom is 0.0045 nm , then it is equivalent to ………

a)

0.045× 10^-7m

b)

45× 10^-13m

c)

0.45× 10^-10m

6.

The dimensional formula of force is M ^X L ^YT ^-2Z , So X- Y + Z =….……..

a)

1

b)

0

c)

2

7.

3 mm is .......................... nm

a)

$3\times10^6$

b)

$3\times10^{-6}$

c)

$3\times10^{-3}$

dimensional formula

Total questions: 7

Worksheet time: 4mins

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