AIEEE 2005 | Atoms and Nuclei Question 257 | Physics

A nuclear transformation is denoted by $$X\left( {n,\alpha } \right)\matrix{ 7 \cr 3 \cr } Li.$$ Which of the following is the nucleus of element $$X$$ ?

$${}_5^{10}B$$

$${}^{12}{C_6}$$

$${}_4^{11}Be$$

$${}_5^9B$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy? AIEEE 2005 Physics - Atoms and Nuclei Question 231 English

AIEEE 2005 Physics - Atoms and Nuclei Question 231 English

$$iv$$

$$iii$$

$$ii$$

$$i$$

AIEEE 2004

MCQ (Single Correct Answer)

-1

An $$\alpha $$-particle of energy $$5$$ $$MeV$$ is scattered through $${180^ \circ }$$ by a fixed uranium nucleus. The distance of closest approach is of the order of

$${10^{ - 12}}\,cm$$

$${10^{ - 10}}\,cm$$

$$1A$$

$${10^{ - 15a}}\,cm$$

AIEEE 2004

MCQ (Single Correct Answer)

-1

Out of Syllabus

A nucleus disintegrated into two nuclear parts which have their velocities in the ratio of $$2:1.$$ The ratio of their nuclear sizes will be

$${3^{{\raise0.5ex\hbox{$\scriptstyle 1$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}}}:1$$

$$1:{2^{1/3}}$$

$${2^{1/3}}:1$$