Home
Class 12
PHYSICS
Cosider the following statements A, B an...

Cosider the following statements A, B and identify the correct choice in the given answers A : Density of a nucleus is independent of is mass number
B: Beryllium is used as moderator in nucleus reactors

A

A and R are ture and R is the correct explanation of A.

B

A and R are ttue and R is not the correct explanation of A.

C

A is true, R is false.

D

A is false, R is true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    NARAYNA|Exercise EXERCISE-4|44 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE- 4 One or more than one correct answer type|13 Videos

Similar Questions

Explore conceptually related problems

Consider the following statement A and B and identify the correct choice of the given answers

Consider the following two statements A and B and identify the correct choice in the given answer A : The characteristic X-ray spectrum depends on the nature of the material of the target B : The short wavelength limit of continuous X-ray spectrum varies inversely with the potential difference applied to the X-rays tube

Consider the following statement A and B and identify the correct choice of the given answers A: The width of the depletion layer in a P-N junction diode increases in forwards biase B: In an intrinsic semiconductor the fermi energy level is exactely in the middle of the forbidden gap

In each of the following question, a statement is given and a corresponding statement or reason is given just below it. In the statement, mark the correct answer as Consider the following statements A and B, identify the correct choice in the given answers. A) Tightly bound electrons of target material scattered X - ray photon, resulting in the compton effect. B) Photoelectric effect takes palce with free electrons.

Consider the following statement A and B and identify the correct answer given below: A) Nuclear density is same for all nuclei B) Radius of the nucleus (R) and its mass number (A) are related as sqrt(A )alphaR^(1//6)

Consider the following two statements A and B and identify the correct choice given in the answers (A) Duddells thermo-galvanometer is suitable to measure direct current only (B) Thermopile can measure temperature differences of the order of 10^(-3).^(@)C

Consider the following two statements A and B , and identify the correct choice out of given answers A. Thermo e.m.f. is minimum at neutral temperature of a thermocouple B. When two junctions made of two different metallic wires are maintained at different temperatures, an electric current is generated in the circuit.

Consider the following statements A and B . Identify for correct in the given answer. A) p-n , p-p, n-n forces between nucleons are not equal and charge dependent. B) In nuclear reactor the fission reaction will be in accelerating state if the value of neutron reproduction factor K gt 1

consider the following statement A and B , and select the correct choice A: Repulsion is a sure test of magnetism. (B) : Magnetic induction precedes attration.

Consider the following statements A to B and identify the correct answer A. Polarised light can be used to study the helical surface of nucleic acids. B. Optics axis is a direction and not any particular line in the crystal