Question
The control rod in a nuclear reactor is made of(a) Uranium(b) Cadmium(c) Graphite(d) Plutonium
✓
Answer
(b) Cadmium
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In an adjoining figure are shown three capacitors $C_1, C_2$ and $C _3$ joined to a battery. The correct condition will be $($Symbols have their usual meanings$)$
→Eight small drops, each of radius r and having same charge q are combined to form a big drop. The ratio between the potentials of the bigger drop and the smaller drop is
An optically active compound (a) Rotates the plane polarised light(b) Changing the direction of polarised light (c) Do not allow plane polarised light to pass through(d) None of the above
The magnetic field of earth is due to(a) Motion and distribution of some material in and outside the earth(b) Interaction of cosmic rays with the current of earth(c) A magnetic dipole buried at the centre of the earth(d) Induction effect of the sun
The first model of atom was proposed by:
Assertion : The whole charge of a conductor cannot be transferred to another isolated conductor.
Reason : The total transfer of charge from one to another is not possible.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
Reason : The total transfer of charge from one to another is not possible.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
Why are alkali metals most suited as photo-sensitive metals?
Drift velocity of electrons is due to:
Two opposite charged particles oscillate about their mean equilibrium position in free space, with a frequency of $10^9 \ Hz.$ The wavelength of the corresponding electromagnetic wave produced is $.........:$
→If an ammeter is connected in parallel to a circuit, it is likely to be damaged due to excess(a) Current(b) Voltage(c) Resistance(d) All of these