## Question

### Solution

Correct option is

Shorter than that of the electron

#### SIMILAR QUESTIONS

Q1

Half life of radium is 1600 yrs. Its average life is

Q2

What percentage of original radioactive atoms is left after four half lives

Q3

No atoms of radioactive element emit N2 beta particles per second. The decay constant of element in sec–1 is

Q4

A radioactive element has half life period 800 yrs. After 6400 yrs what amount will remain

Q5

A nucleus  emits one alpha particle and two β-particle The resulting nucleus is

Q6

A sample of a radioactive element has a mass of 10g at an instant t = 0. The oppropriate mass of this element in the element in the sample after two mean lives is

Q7

If the half lives of a radioactive element that decays in 6 days is 7/8. The fraction that decays in 10 days will be

Q8

The wavelength  of de Broglie waves associated with an electron (massm, charger e) accelerated through a potential difference of V is given by (his Planck’s constant)

Q9

A proton, when accelerated through a potential difference of V volts, has a wavelength  associated with it. If an alpha particle ius to have the same wavelength , it must be accelerated through a potential difference of

Q10

Two particles of masses m and 2m have equal kinetic energies. Their de Broglie wavelength are in the ratio of