Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 11

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Mass of one atom of ${}_{8}O^{16} = 15.994915 a . m . u .$

Mass of proton = $1.007825 amu$

Mass of neutron = $1.008665 amu$

The binding energy per nucleon of ${}_{8}O^{16}$ nucleus is

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Important Questions on Nuclear Physics

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IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 12

Isotopes possess

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 13

In the nuclear reaction ${}_{92}U^{234} \to {}_{90}{Th}^{230} + X + Q;$

$X$ is

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 14

In a working nuclear reactor, cadmium rods are used to _____.

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 15

Heavy water is one of the substance used as moderator in reactors. Which of the following is also used as moderator?

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 16

Fusion reaction take place at a high temperature because

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 17

{}_{92}U^{238}

on absorbing neutron goes over to

{}_{92}U^{239}

. This nucleus emits an electron and goes over to neptunium, which on further emitting an electron goes over to plutonium. The resulting plutonium can be represented as

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 18

In the nuclear reaction ${}_{2}{He}^{4} + {}_{7}{He}^{14} \to X + {}_{1}H^{1}$ ;

X is

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Bureau's Higher Secondary Physics Class 12>Chapter 17 - Nuclear Physics>MODEL QUESTIONS>Q 19

When

{}_{3}{Li}^{7}

captures a proton, the element formed is