Sample Test Physics
The volume of a cube of side 1 cm is equal to .....m3
1 kg m2 s2 = ..........g cm2 s2 ?
A goldsmith put a ruby in a box weighing 1.2 kg. Find the total
mass of the box and ruby applying principle of significant figures. The mass of
the ruby is 5.42 g.
Convert 76 cm of mercury pressure into N m-2 using the method of
Red light has a wavelength of 7000 Å. In μm it is
The length of a body is measured as 3.51 m. If the accuracy is 0.01
m, then the percentage error in the measurement is
The dimensional formula for Planck’s constant is
1/2mv2 = mghx where m is mass, v is velocity, g is acceleration
due to gravity and h is height. The value of x is equal to
1 kg m2 s2 = ..........g cm2 s2 ? .