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Question 1 of 10

A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is

A0°

B45°

C90°

D180°

Eany angle with which it is placed

Question 2 of 10

Among the following compounds, the one that gets hydrolysed to form metallic hydroxide, hydrogen peroxide and oxygen is

A{tex} Na_{2}O{/tex}

B{tex} Na_{2}O_{2}{/tex}

C{tex} Li_{2}O{/tex}

D{tex} KO_{2}{/tex}

Question 3 of 10

Cπ/2

Dπ/4

Eπ/6

Question 4 of 10

In Young's double slit experiment, the width of one of the slits is slowly increased to make it twice the width of the other slit. Then in the interference pattern:

Athe intensity of maxima increase while that of minima decrease

Bintensities of both maxima and minima decrease

Cthe intensities of both maxima and minima remain the same

Dthe intensities of both maxima and minima increase

Question 5 of 10

The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is

A{tex}Y^{3+} < La^{3+} + Eu^{3+} < Lu^{3+}{/tex}

B{tex}Lu^{3+} << Y^{3+} < Eu^{3+} < La^{3+}{/tex}

C{tex}Lu^{3+} < Eu^{3+} < La^{3+} < Y^{3+}{/tex}

D{tex}La^{3+} < Eu^{3+} < La^{3+} < Y^{3+}{/tex}

Question 6 of 10

If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to

A√12

B2 √12

C3 √14

D2 √14

Question 7 of 10

A2 tan x + c

B√cot x + c

C2 √tan x + c

Dtan ² x + c

Ecot x + c

Question 8 of 10

The name of the compound in figure is

A(2Z, 4Z)-2, 4-hexadiene

B(2Z, 4E)-2, 4-hexadiene

C(2E, 4Z)-2, 4-hexadiene

D(4E, 4Z)-2, 4-hexadiene

E(2E, 4E)-2, 4-hexadiene

Question 9 of 10

Racemic mixture is formed by mixing two

Aisomeric compounds

Bchiralcompunds

Cmeso compounds

Denantiomers with chiral carbon

ENone of these

Question 10 of 10

The area (in square unit) enclosed by the curve y = 4 x³ and y = 16x is

A16

B32

C1/4

D1/2

E1/8

That's all folks!

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