List of top Chemistry Questions on Dual nature of matter

An \( \alpha \)-particle, a proton, and an electron have the same kinetic energy. Which one of the following is correct in case of their De-Broglie wavelength:
A material particle with a rest mass m₀ is moving with a velocity of light c. Then the wavelength of the de Broglie wave associated with it is
An organic compound X is oxidised by using acidified $K_{2}Cr_{2}O_{7}$. The product obtained reacts with phenylhydrazine but does not give silver mirror test. The possible structure of X is
The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is
A stationary point source of sound emits sound uniformly in all directions in a non-absorbing medium. Two points P and Q are at a distance of 4 m and 9 m respectively from the source. The ratio of amplitudes of the waves at P and Q is
If a cricket ball having mass of 200 g is thrown with a speed of \( 3 \times 10^{3} \text{ cm/s} \), then calculate the wavelength related to it.
The de-Broglie wavelength of an electron accelerated through a potential difference of 100 V is:
If the kinetic energy of a free electron doubles, its de-Broglie wavelength changes by the factor: