Machine data makes up for more than ___% of the data accumulated by organizations.

Magnetic domains are composed of clustered _________.

Noise-canceling devices such as jackhammer earphones make use of sound _______.

The flow rate of a liquid is _______.

The greeks studied charges using _____. gold copper magnetite amber

The minimum detectable sound for normal hearing is arbitrarily set at _____ decibels.

While undergoing beta decay, the half-life of tritium is 12.5 years. After 25 years, what fraction of a sample of pure tritium will be decayed?

When 15 O resistance is connected across the galvanometer, its deflection falls from 60 divisions to 20 divisions. What is the correct value of the galvanometer resistance?

For separating a hydrogen atom into a proton and an electron, 13.6 eV energy is required. What is the velocity of the electron in a hydrogen atom?

For a double convex lens, the radii of curvature of the faces are 20 cm and 30 cm. What is the refractive index of the glass, if its focal length is 24 cm?

Leo lifted a container of 25 kg from the ground and puts it on his head 1.6 meter above the ground. What is the work done on the container by Leo?