Q.1.
Who found out about dual behavior of a matter?
Q.2.
A ball of mass 0.5kg is moving with velocity 6.m/s. What’s the wavelength of that ball?
Q.3.
Mass of a photon is given by 3.x 10-kg. Find it’s wavelength.
Q.4.
Determining the exact position and velocity of an electron is impossible at a time.
Q.5.
As per Heisenberg’s principle of uncertainty, the relation between relative momentum and relative position is __________
Q.6.
The uncertainty of a ball is given by 0.5A°. Then calculate the uncertainty in momentum.
Q.7.
If the uncertainties in position and momentum are equal, then the uncertainty in position is given by ____
Q.8.
If the kinetic energy of an electron is 5J. Find out its wavelength.
Q.9.
An object has a mass of 6 kg and velocity ofm/s. The speed is measured withaccuracy, then find out Δx in m.
Q.10.
Δx. Δp ≥ h/4π.