Nuclear Physics Flash Cards

Unit 6 > Science > Class 10 > Samacheer Kalvi - English Medium

63 cards in this set.

Mode

Man-made radioactivity is also known as _____________

d. a & c

Unit of radioactivity is _____________

d. all the above

Artificial radioactivity was discovered by ____________ TEXTBOOK EVALUATION

b. Irene Curie

In which of the following, no change in mass number of the daughter nuclei takes place i) decay ii) decay iii) decay iv) neutron decay

b (ii) and (iii) are correct

"____________ isotope is used for the treatment of cancer."

b. Radio Cobalt

Gamma radiations are dangerous because

c. it produces genetic disorder

_____________ aprons are used to protect us from gamma radiations

c. Lead

Which of the following statements is/are correct? i. particles are photons ii. Penetrating power of radiation is very low iii. Ionization power is maximum for rays iv. Penetrating power of radiation is very high

d. (iii) & (iv) are correct

Proton - Proton chain reaction is an example of __________________

c. Nuclear fusion

In the nuclear reaction 6X12----->( decay) ZYA , the value of A & Z.

c. 4, 8

Kamini reactor is located at __________

a. Kalpakkam

Man-made radioactivity is also known as _____________

d. a & c

Unit of radioactivity is _____________

d. all the above

Artificial radioactivity was discovered by ____________ TEXTBOOK EVALUATION

b. Irene Curie

In which of the following, no change in mass number of the daughter nuclei takes place i) decay ii) decay iii) decay iv) neutron decay

b (ii) and (iii) are correct

"____________ isotope is used for the treatment of cancer."

b. Radio Cobalt

Gamma radiations are dangerous because

c. it produces genetic disorder

_____________ aprons are used to protect us from gamma radiations

c. Lead

Which of the following statements is/are correct? i. particles are photons ii. Penetrating power of radiation is very low iii. Ionization power is maximum for rays iv. Penetrating power of radiation is very high

d. (iii) & (iv) are correct

Proton - Proton chain reaction is an example of __________________

c. Nuclear fusion

In the nuclear reaction 6X12----->( decay) ZYA , the value of A & Z.

c. 4, 8

Kamini reactor is located at __________

a. Kalpakkam

Which of the following is/are correct? i. Chain reaction takes place in a nuclear reactor and an atomic bomb. ii. The chain reaction in a nuclear reactor is controlled iii. The chain reaction in a nuclear reactor is not controlled iv. No chain reaction takes place in an atom bomb

b. (i) & (ii) are correct

One roentgen is equal to ____________ disintegrations per second

3.7*10^10

Positron is an____________.

antiparticle of electron

Anemia can be cured by ____________ isotope

Radio iron

Abbreviation of ICRP______

International Commission on Radiological Protection

_________is used to measure exposure rate of radiation in humans.

Dosi meter

_________ has the greatest penetration power

Gamma rays

ZYA Z+1YA+ X ; Then, X is __________

Beta particle

ZXA ZYA This reaction is possible in ______________ decay.

Gamma

The average energy released in each fusion reaction is about ________ J.

3.84*10^-12

Nuclear fusion is possible only at an extremely high temperature of the order of ____ K.

10^7 to 10^9 K

The radio isotope of ________ helps to increase the productivity of crops.

phosphorous

If the radiation exposure is 100 R, it may cause ______________.

leukemia

Spontaneous process : Natural Radioactivity, Induced process : ________

Artificial radioactivity

Nuclear Fusion : Extreme temperature, Nuclear Fission : ___________

Room temperature

Increasing crops : Radio phosphorous, Effective functioning of heart : _____

Radio sodium

Deflected by electric field : ray, Null Deflection : __________

Gamma ray

BARC

Mumbai

India's first atomic power station

Tarapur

IGCAR

Kalpakkam

First nuclear reactor in india

Apsara

Fuel

Uranium

Moderator

cadmium rods

coolant

heavy water

shield

lead

Shoddy Fajan

Displacement law

Irene curie

Artificial radioactivity

Henry Bequerel

Natural radioactivity

Albert Einstien

Mass energy equivalence

Uncontrolled fission reaction

Atom bomb

Fertile matrial

Breeder reactor

Controlled fission reaction

Nuclear reactor

Fusion reaction

Hydrogen bomb

Co-60

leukemia

I-131

Thyroid disease

Na-24

Function of heart

c-14

Age of fossil

(A): A neutron impinging on U235, splits it to produce Barium and Krypton... (R): U - 235 is a fissile material.

(b) Both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.

(A): In a β - decay, the neutron number decreases by one.. (R): In β - decay atomic number increases by one

(d) Assertion is false, but the reason is true.

(A): Extreme temperature is necessary to execute nuclear fusion... (R): In a nuclear fusion, the nuclei of the reactants combine releasing high energy

(a) Both the assertion and the reason are true and the reason is the correct explanation of assertion.

(A): Control rods are known as 'neutron seeking rods'.. (R): Control rods are used to perform sustained nuclear fission reaction

(a) Both the assertion and the reason are true and the reason is the correct explanation of assertion.

1/63

Nuclear Physics Flash Cards

Unit 6 > Science > Class 10 > Samacheer Kalvi - English Medium

63 cards in this set.

Mode Memorize Learn

Man-made radioactivity is also known as _____________

d. a & c

Unit of radioactivity is _____________

d. all the above

Artificial radioactivity was discovered by ____________ TEXTBOOK EVALUATION

b. Irene Curie

In which of the following, no change in mass number of the daughter nuclei takes place i) decay ii) decay iii) decay iv) neutron decay

b (ii) and (iii) are correct

"____________ isotope is used for the treatment of cancer."

b. Radio Cobalt

Gamma radiations are dangerous because

c. it produces genetic disorder

_____________ aprons are used to protect us from gamma radiations

c. Lead

Which of the following statements is/are correct? i. particles are photons ii. Penetrating power of radiation is very low iii. Ionization power is maximum for rays iv. Penetrating power of radiation is very high

d. (iii) & (iv) are correct

Proton - Proton chain reaction is an example of __________________

c. Nuclear fusion

In the nuclear reaction 6X12----->( decay) ZYA , the value of A & Z.

c. 4, 8

Kamini reactor is located at __________

a. Kalpakkam

Man-made radioactivity is also known as _____________

d. a & c

Unit of radioactivity is _____________

d. all the above

Artificial radioactivity was discovered by ____________ TEXTBOOK EVALUATION

b. Irene Curie

In which of the following, no change in mass number of the daughter nuclei takes place i) decay ii) decay iii) decay iv) neutron decay

b (ii) and (iii) are correct

"____________ isotope is used for the treatment of cancer."

b. Radio Cobalt

Gamma radiations are dangerous because

c. it produces genetic disorder

_____________ aprons are used to protect us from gamma radiations

c. Lead

Which of the following statements is/are correct? i. particles are photons ii. Penetrating power of radiation is very low iii. Ionization power is maximum for rays iv. Penetrating power of radiation is very high

d. (iii) & (iv) are correct

Proton - Proton chain reaction is an example of __________________

c. Nuclear fusion

In the nuclear reaction 6X12----->( decay) ZYA , the value of A & Z.

c. 4, 8

Kamini reactor is located at __________

a. Kalpakkam

Which of the following is/are correct? i. Chain reaction takes place in a nuclear reactor and an atomic bomb. ii. The chain reaction in a nuclear reactor is controlled iii. The chain reaction in a nuclear reactor is not controlled iv. No chain reaction takes place in an atom bomb

b. (i) & (ii) are correct

One roentgen is equal to ____________ disintegrations per second

3.7*10^10

Positron is an____________.

antiparticle of electron

Anemia can be cured by ____________ isotope

Radio iron

Abbreviation of ICRP______

International Commission on Radiological Protection

_________is used to measure exposure rate of radiation in humans.

Dosi meter

_________ has the greatest penetration power

Gamma rays

ZYA Z+1YA+ X ; Then, X is __________

Beta particle

ZXA ZYA This reaction is possible in ______________ decay.

Gamma

The average energy released in each fusion reaction is about ________ J.

3.84*10^-12

Nuclear fusion is possible only at an extremely high temperature of the order of ____ K.

10^7 to 10^9 K

The radio isotope of ________ helps to increase the productivity of crops.

phosphorous

If the radiation exposure is 100 R, it may cause ______________.

leukemia

Spontaneous process : Natural Radioactivity, Induced process : ________

Artificial radioactivity

Nuclear Fusion : Extreme temperature, Nuclear Fission : ___________

Room temperature

Increasing crops : Radio phosphorous, Effective functioning of heart : _____

Radio sodium

Mode