A block of material of volume 20cm^-3 and density 2.5gcm^-3 is suspended from a spring balance with half the volume immersed in water. What is the reading of the spring balance? (Density of water = 1.0gcm^-3).

Similar Questions

The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth...

A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance ...

The frequency of a swinging pendulum is the ...

The main reason why rice cooks faster in a pressure cooker than in cooking pot is that ...

The diagram above represents a transverse travelling wave. Which two points are 180° out of phas...

A transformer is rated 240v. If the primary coil is 4000 turns and the secondary voltage 12v, determ...

One of the following readings represents the measurement of the length of a metal rod using vernier ...

Which of the following are correct of plane- polarized light? I. Plane polarization of light is t...

An electromagnetic wave of frequency 5.0 x 1014Hz, is incident on the surface of water of refractive...

What is the difference in the amount of heat given out by 4kg of steam and 4kg of water when both ar...