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Tithi
Subject: Physics
, asked on 11/12/17
Solve this:
Q18. A radioactive element
90
X
238
decays into
83
Y
222
, then the number of
β
- particles emitted are
(1) 1 (2) 2
(3) 4 (4) 6
Answer
2
Prerna Varshney
Subject: Physics
, asked on 10/12/17
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Answer
2
Prerna Varshney
Subject: Physics
, asked on 10/12/17
Draw a plot of the binding energy per nucleon as a function of mass number for a large number of nuclei 20 > A > 240. How do you explain the constancy of binding energy per nucleon in the range of 30 < A < 170 using the property that nuclear force is short-ranged?
Answer
1
Prerna Varshney
Subject: Physics
, asked on 10/12/17
Answer the following.
(i) Why is the binding energy per nucleon found to be constant for nuclei in the range of mass number (A) lying between 30 and 170?
(ii) When a heavy nucleus with mass
Answer
1
Osho Priya
Subject: Physics
, asked on 10/12/17
When an energetic Gamma ray Photon falls on a heavy substance it is observed by some nucleus of the substance and its energy gives rise to the production of electron and positron. Why is it necessary that the photon has to fall on a heavy substance
Answer
1
Sofiya Parihar
Subject: Physics
, asked on 9/12/17
Please explain it to me how to do these two questions .
Answer
1
Sofiya Parihar
Subject: Physics
, asked on 8/12/17
3 . How the size of a nucleus is experimentally
determined? Write the relation between the radius
and mass number of the nucleus Show that
density of nucleus is independent of its mass
number.
Answer
1
Sofiya Parihar
Subject: Physics
, asked on 8/12/17
Solve this
1 Why is it found experimentally difficult to detect neutrinos in nuclear
β
decay?
Answer
2
Sofiya Parihar
Subject: Physics
, asked on 7/12/17
Calculate
70
1
3
and explain each step.
Answer
1
Archana
Subject: Physics
, asked on 4/12/17
When a stationery
238
92
U nucleus decays into a Th nucleus and an alpha particle , is the kinetic energy of the an alpha partice :
i) greater than
ii) less than or
iii) the same as the kinetic energy of the Th nucleus ? Explain?
Answer
3
Meera
Subject: Physics
, asked on 4/12/17
Ques 60
ASAP
Answer
1
Kshitij Gaur
Subject: Physics
, asked on 2/12/17
solve ( pls explain me this in detail)
Answer
2
Snegaa J. S.
Subject: Physics
, asked on 1/12/17
an electron and a photon have same energy 100ev. which has greater associated wavelength.
Answer
1
Snegaa J. S.
Subject: Physics
, asked on 1/12/17
consider a radioactive nucleus which decays to a stable nucleus C through the following sequence. A->B-> C Here B is the radioactive intermediate nuclei considering that there are No atoms initially, plot the graph showing the variation of No . of atoms A and B versus time.
Answer
1
Prerna Varshney
Subject: Physics
, asked on 28/11/17
during nuclear reaction, what happened to electron ???
Answer
1
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What are you looking for?
Q18. A radioactive element 90X238 decays into 83Y222, then the number of - particles emitted are
(1) 1 (2) 2
(3) 4 (4) 6
(i) Why is the binding energy per nucleon found to be constant for nuclei in the range of mass number (A) lying between 30 and 170?
(ii) When a heavy nucleus with mass
determined? Write the relation between the radius
and mass number of the nucleus Show that
density of nucleus is independent of its mass
number.
1 Why is it found experimentally difficult to detect neutrinos in nuclear decay?
i) greater than
ii) less than or
iii) the same as the kinetic energy of the Th nucleus ? Explain?
ASAP
solve ( pls explain me this in detail)