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Atomic and Nuclear Physics
For atomic spectra, atomic gas or vapor at pressure which is much___ than atmospheric pressure is excited
A greater
B. greater than equal to c less
D. none of these
A greater
B. greater than equal to c less
D. none of these
Atomic and Nuclear Physics
If the nuclear radius of Al7 is 3.6 fm, the approximate nuclear radius of Cu64
in fermi is
in fermi is
Atomic and Nuclear Physics
Half wave voltage multiplier can provide any degree of voltage multiplication
by cascading diodes and capacitors
. A. Any doubler
B. Any tripler C. Any multiplication
by cascading diodes and capacitors
. A. Any doubler
B. Any tripler C. Any multiplication
Atomic and Nuclear Physics
The photon when scattered from mirror its momentum becomes
a)double
b)half
c)remain same
d)zero
a)double
b)half
c)remain same
d)zero
Atomic and Nuclear Physics
Sun spectra also has dark lines in pattern which corresponds to
a) absorption
b)emission
c)release
d)free particle
a) absorption
b)emission
c)release
d)free particle
Atomic and Nuclear Physics
The reverse process of pair production is known as:
a)Anti Pair production
b)materialization of matter
c)Annihilation of practical into its antiparticle
d)annihilation of energy
a)Anti Pair production
b)materialization of matter
c)Annihilation of practical into its antiparticle
d)annihilation of energy
Atomic and Nuclear Physics
An armature coil consists of 30 turns of wire, each of area A= 0.05 m2 and
total resistance of 10 22. It rotates in a magnetic field of 0.15T at an angular speed of 84 radian per second. Determine the value of maximum induced emf produced in the coil. A. IV
B. 500V C. 63V
D. 43V
total resistance of 10 22. It rotates in a magnetic field of 0.15T at an angular speed of 84 radian per second. Determine the value of maximum induced emf produced in the coil. A. IV
B. 500V C. 63V
D. 43V
Atomic and Nuclear Physics
Two capacitors, C1 = 5.00 μF and C2 = 12.0 μF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. (a) What is the equivalent Figure 1 2 capacitance of the combination? What are (b) the potential difference across each capacitor and (c) the charge stored on each capacitor?
Atomic and Nuclear Physics
Find the probability that the nucleus of 87Ra221 undergoes decay after three half-lives, if its a radioactive substance which has a half-life of 6 days. A. 1/6
B. 3/2 C. 5/6
D. 12
Atomic and Nuclear Physics
Uranium-238 is bombarded with carbon-12 to yield californium-246 along with several neutrons.
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#339914 on Dec 2023
#339914 on Dec 2023