In beta decay what is emitted?

The decay product of tritium (a beta emitter) is

A

Lithium

B

Helium

C

Deuterium

D

Hydrogen

Beta rays emitted by a radioactive material are

A

The electrons orbiting around the nucleus

B

Charged particles emitted by nucleus

C

Neutral particles

D

Electromagnetic radiations

The correct antonym of the word 'Decay' is -

A

Collapse

B

Decline

C

Downfall

D

Strength

What is the synonym of 'decay'?

A

agree

B

rot

C

accept

D

decease

Choose the correct antonym of "Decay"

A

flourish

B

wither

C

to decline

D

Waste awya

কোনটি তেজস্ক্রিয়তার ক্ষয়সূত্র (law of radioactive decay)?

A

N==N0e-t

B

N =N0e-λt/t

C

N=N0e-λt

D

N=N0e-t/t

Which is the antonym of ‘Decay’?

A

Decline

B

Downfall

C

Strength

D

Collapse

Given____ the nature of wood, the oldest totem poles of the Northeast Coast Indians eventually fell to decay; Only a few still stand today.

A

reilient

B

combustible

C

malleable

D

perishable

A radioactive isotope undergoes decay with respect to time following __________ law.

A

logarithmic

B

exponential

C

inverse square

D

linear

Honey that has high concentration of sugar does not decay because

A

Bacteria cannot survive in an active state as it is totally deprived of oxygen

B

It contains natural antioxidant that prevents bacterial attack

C

Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out

D

None of these

In beta decay what is emitted?

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