Radioactivity
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NEET DIGITAL LIBRARY
NUCLEAR PHYSICS

147577 During a $\beta^{-}$-decay :

1 an atomic electron is ejected
2 an electron which is already present within the nucleus is ejected
3 a neutron in the nucleus decays emitting an electron
4 a proton in the nucleus decays emitting an electron
Karnataka CET-2020
NUCLEAR PHYSICS

147580 Which of the following statement is correct?
(i) Becquerel, who discovered natural radioactivity, belongs to France.
(ii) Marconi, who discovered wireless telegraphy, was an American.
(iii) Newton was an American, who discovered the laws of motion.
(iv) Einstein belongs to England, who simplifies the laws of photoelectric effects.

1 $\mathrm{A}$
2 $\mathrm{B}$
3 $\mathrm{C}$
4 $\mathrm{D}$
AP EAMCET (22.09.2020) Shift-I
NUCLEAR PHYSICS

147592 In one average life-time of a radioactive nuclei,

1 more than half the active nuclei decay.
2 half the active nuclei decay.
3 less than half the active nuclei decay.
4 all the nuclei decay.
TS- EAMCET-03.05.2019
NUCLEAR PHYSICS

147597 The half- life period and the mean life period of a radioactive element are denoted respectively by $T_{h}$ and $T_{m}$ then

1 $\mathrm{T}_{\mathrm{h}}=\mathrm{T}_{\mathrm{m}}$
2 $\mathrm{T}_{\mathrm{h}}>\mathrm{T}_{\mathrm{m}}$
3 $T_{h} \lt T_{m}$
4 $T_{h} \geq T_{m}$
VITEEE-2019
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NUCLEAR PHYSICS

147577 During a $\beta^{-}$-decay :

1 an atomic electron is ejected
2 an electron which is already present within the nucleus is ejected
3 a neutron in the nucleus decays emitting an electron
4 a proton in the nucleus decays emitting an electron
Karnataka CET-2020
NUCLEAR PHYSICS

147580 Which of the following statement is correct?
(i) Becquerel, who discovered natural radioactivity, belongs to France.
(ii) Marconi, who discovered wireless telegraphy, was an American.
(iii) Newton was an American, who discovered the laws of motion.
(iv) Einstein belongs to England, who simplifies the laws of photoelectric effects.

1 $\mathrm{A}$
2 $\mathrm{B}$
3 $\mathrm{C}$
4 $\mathrm{D}$
AP EAMCET (22.09.2020) Shift-I
NUCLEAR PHYSICS

147592 In one average life-time of a radioactive nuclei,

1 more than half the active nuclei decay.
2 half the active nuclei decay.
3 less than half the active nuclei decay.
4 all the nuclei decay.
TS- EAMCET-03.05.2019
NUCLEAR PHYSICS

147597 The half- life period and the mean life period of a radioactive element are denoted respectively by $T_{h}$ and $T_{m}$ then

1 $\mathrm{T}_{\mathrm{h}}=\mathrm{T}_{\mathrm{m}}$
2 $\mathrm{T}_{\mathrm{h}}>\mathrm{T}_{\mathrm{m}}$
3 $T_{h} \lt T_{m}$
4 $T_{h} \geq T_{m}$
VITEEE-2019
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NUCLEAR PHYSICS

147577 During a $\beta^{-}$-decay :

1 an atomic electron is ejected
2 an electron which is already present within the nucleus is ejected
3 a neutron in the nucleus decays emitting an electron
4 a proton in the nucleus decays emitting an electron
Karnataka CET-2020
NUCLEAR PHYSICS

147580 Which of the following statement is correct?
(i) Becquerel, who discovered natural radioactivity, belongs to France.
(ii) Marconi, who discovered wireless telegraphy, was an American.
(iii) Newton was an American, who discovered the laws of motion.
(iv) Einstein belongs to England, who simplifies the laws of photoelectric effects.

1 $\mathrm{A}$
2 $\mathrm{B}$
3 $\mathrm{C}$
4 $\mathrm{D}$
AP EAMCET (22.09.2020) Shift-I
NUCLEAR PHYSICS

147592 In one average life-time of a radioactive nuclei,

1 more than half the active nuclei decay.
2 half the active nuclei decay.
3 less than half the active nuclei decay.
4 all the nuclei decay.
TS- EAMCET-03.05.2019
NUCLEAR PHYSICS

147597 The half- life period and the mean life period of a radioactive element are denoted respectively by $T_{h}$ and $T_{m}$ then

1 $\mathrm{T}_{\mathrm{h}}=\mathrm{T}_{\mathrm{m}}$
2 $\mathrm{T}_{\mathrm{h}}>\mathrm{T}_{\mathrm{m}}$
3 $T_{h} \lt T_{m}$
4 $T_{h} \geq T_{m}$
VITEEE-2019
NEET DIGITAL LIBRARY
NUCLEAR PHYSICS

147577 During a $\beta^{-}$-decay :

1 an atomic electron is ejected
2 an electron which is already present within the nucleus is ejected
3 a neutron in the nucleus decays emitting an electron
4 a proton in the nucleus decays emitting an electron
Karnataka CET-2020
NUCLEAR PHYSICS

147580 Which of the following statement is correct?
(i) Becquerel, who discovered natural radioactivity, belongs to France.
(ii) Marconi, who discovered wireless telegraphy, was an American.
(iii) Newton was an American, who discovered the laws of motion.
(iv) Einstein belongs to England, who simplifies the laws of photoelectric effects.

1 $\mathrm{A}$
2 $\mathrm{B}$
3 $\mathrm{C}$
4 $\mathrm{D}$
AP EAMCET (22.09.2020) Shift-I
NUCLEAR PHYSICS

147592 In one average life-time of a radioactive nuclei,

1 more than half the active nuclei decay.
2 half the active nuclei decay.
3 less than half the active nuclei decay.
4 all the nuclei decay.
TS- EAMCET-03.05.2019
NUCLEAR PHYSICS

147597 The half- life period and the mean life period of a radioactive element are denoted respectively by $T_{h}$ and $T_{m}$ then

1 $\mathrm{T}_{\mathrm{h}}=\mathrm{T}_{\mathrm{m}}$
2 $\mathrm{T}_{\mathrm{h}}>\mathrm{T}_{\mathrm{m}}$
3 $T_{h} \lt T_{m}$
4 $T_{h} \geq T_{m}$
VITEEE-2019
Join With Us for More Updates