Home
Class 12
CHEMISTRY
The radiations from a naturally occuring...

The radiations from a naturally occuring radioactive substance as seen after deflection by a magnetic field in one direction are
a.Only `alpha`-rays b. Only `beta`-rays
c. Both `alpha`-and `beta-`rays d. Either `alpha`-or `beta`-rays

A

`alpha` -rays

B

`beta`-rays

C

both `alpha` and `beta` rays

D

either `alpha` or `beta`-rays

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The radiationns from a naturally occuring radioactive substance as seen after deflection by a magnetic field in one direction are Only alpha -rays b. Only beta -rays c. Both alpha -and beta- rays d. Either alpha -or beta -rays

Alpha rays emitted from a radioactive substance are

It is observed that: alpha particles and beta particles are deflected by an electric or magnetic field. Explain observations.

Which of the following radiations is most easily stopped by air? a. alpha -rays b. gamma -rays c. beta -rays d.X-rays

If the end A of a wire is irradiated with alpha -rays and the other end B is irradiated with beta -rays. Then

Explain why alpha and beta particles are deflected in an electric or a megnetic field, but gamma rays are not deflected in such a field. [Hint : alpha and beta particles are changed, but gamma rays are uncharged]

Among alpha, beta and gamma -rays, which is the most penetrating?

Assertion (A): beta- particles have greater penetrating power than alpha- rays but less than gamma- rays. Reason (R) : beta- particles are lighter than alpha- particles but heavier than gamma.

For the radioactive nuclei that undergo either alpha or beta decay, which one of the following cannot occur?

Assertion : gamma - radiation emission occurs after alpha and beta decay. Reason : Energy levels occur in nucleus.