Chemistry-
General
Easy
Question
Which of the following is the man-made radioactive· disintegration series?
- Thorium series
- Neptunium series
- Uranium series
- Actinium series
The correct answer is: Neptunium series
Related Questions to study
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The mass defect of the nuclear reaction 
is :
The mass defect of the nuclear reaction is :
chemistry-General
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is a 'stable isotope 
is expected to disintegrate by:
is a 'stable isotope is expected to disintegrate by:
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The radioactive decay 
by a beta emission produces an unstable nucleus which spontaneously emits a neutron: The final product is:
The radioactive decay by a beta emission produces an unstable nucleus which spontaneously emits a neutron: The final product is:
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In the nuclear reaction 
the nucleus X is:
In the nuclear reaction the nucleus X is:
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Natural uranium consists of 
Natural uranium consists of
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Which radioactive isotope is used to detect tumors?
Which radioactive isotope is used to detect tumors?
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The element Y is:
The element Y is:
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physics-
A capacitor is made of a flat plate of area A and second plate having a stair-like structure as shown in figure. The width of each plate is ‘a’ and the height is ‘b’. The capacitance of the capacitor is
A capacitor is made of a flat plate of area A and second plate having a stair-like structure as shown in figure. The width of each plate is ‘a’ and the height is ‘b’. The capacitance of the capacitor is
physics-General
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One plate of a capacitor is connected to a spring as shown in figure. Area of both the plates is A. In steady state; separation between the plates is 0.8d (spring was unstretched and the distance between the plates was d, when the capacitor was uncharged). The force constant of the spring is approximately
One plate of a capacitor is connected to a spring as shown in figure. Area of both the plates is A. In steady state; separation between the plates is 0.8d (spring was unstretched and the distance between the plates was d, when the capacitor was uncharged). The force constant of the spring is approximately
physics-General
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In the given figure a capacitor of plate area A is charged upto charge q. The mass of each plate is 
The lower plate is rigidly fixed. The value of m1 if the system remains in equilibrium is
In the given figure a capacitor of plate area A is charged upto charge q. The mass of each plate is The lower plate is rigidly fixed. The value of m1 if the system remains in equilibrium is
physics-General
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In the following circuit two identical capacitors, a battery and a switch(s) are connected as shown. the switch(s) is opened and dielectric of constant (
) are inserted in the condensers. The ratio of electrostatic energies of the system before and after filling the dielectric will be
In the following circuit two identical capacitors, a battery and a switch(s) are connected as shown. the switch(s) is opened and dielectric of constant () are inserted in the condensers. The ratio of electrostatic energies of the system before and after filling the dielectric will be
physics-General
physics-
The potential difference between the points A and B in the following circuit in steady state will be
The potential difference between the points A and B in the following circuit in steady state will be
physics-General
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In the following circuit: find the potentials at points A and B is
In the following circuit: find the potentials at points A and B is
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The capacitance CAB in the given network
The capacitance CAB in the given network
physics-General
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The capacity between the point A and B in the adjoining circuit will be
The capacity between the point A and B in the adjoining circuit will be
physics-General
