IIT-JEE 2008 Paper 1 Offline | Dual Nature of Radiation Question 24 | Physics

PREVIOUS NEXT

IIT-JEE 2008 Paper 1 Offline

MCQ (Single Correct Answer)

-1

Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube?

Wavelength of characteristic X-rays decreases when the atomic number of the target increases.

Cut-off wavelength of the continuous X-rays depends on the atomic number of the target.

Intensity of the characteristic X-rays depends on the electrical power given to the X-ray tube.

Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tube.

IIT-JEE 2007 Paper 2 Offline

MCQ (Single Correct Answer)

-1

Electrons with de-Broglie wavelength $$\lambda$$ fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-rays is

$$\lambda_{0}=\frac{2 m c \lambda^{2}}{h}$$

$$\lambda_{0}=\frac{2 h}{m c}$$

$$\lambda_{0}=\frac{2 m^{2} c^{2} \lambda^{3}}{h^{2}}$$

$$\lambda_{0}=\lambda$$

IIT-JEE 2007 Paper 1 Offline

MCQ (Single Correct Answer)

-1

Some laws/processes are given in Column I. Match these with the physical phenomena given in Column II and indicate your answer by darkening appropriate bubbles in the 4 $$\times$$ 4 matrix given in the ORS.

	Column I		Column II
(A)	Transition between two atomic energy levels	(P)	Characteristic X-rays
(B)	Electron emission from a material	(Q)	Photoelectric effect
(C)	Mosley's law	(R)	Hydrogen spectrum
(D)	Change of photon energy into kinetic energy of electrons	(S)	$$\beta$$-decay

A $$\to$$ (P); B $$\to$$ (Q); C $$\to$$ (P); D $$\to$$ (Q)

A $$\to$$ (R); B $$\to$$ (Q, S); C $$\to$$ (P); D $$\to$$ (Q, P)

A $$\to$$ (P, R); B $$\to$$ (Q, S); C $$\to$$ (P); D $$\to$$ (Q)

A $$\to$$ (P, R); B $$\to$$ (Q, S); C $$\to$$ (Q); D $$\to$$ (P)

IIT-JEE 2007 Paper 1 Offline

MCQ (Single Correct Answer)

-1

Statement 1 :

If the accelerating potential in an X-ray tube is increased, the wavelengths of the characteristic X-rays do not change.

Statement 2 :

When an electron beam strikes the target in an X-ray tube, part of the kinetic energy is converted into X-ray energy.

Statement 1 is True, Statement 2 is True, Statement 2 is a CORRECT explanation for Statement 1

Statement 1 is True, Statement 2 is True, Statement 2 is NOT a CORRECT explanation for Statement 1

Statement 1 is True, Statement 2 is False

Statement 1 is False, Statement 2 is True

PREVIOUS NEXT

JEE Advanced Subjects

Browse all chapters by subject