1
IIT-JEE 2004
Subjective
+2
-0
Arrange the following :

In the decreasing order of the O - O bond length present in them

O2, KO2 and O2[AsF4]
2
IIT-JEE 2004
Subjective
+1
-0
A ball of mass 100 g is moving with 100 ms-1. Find it's wavelength.
3
IIT-JEE 2004
Subjective
+2
-0
(a) The Schrodinger wave equation for hydrogen atom is

$$$\psi = {1 \over {4\sqrt {2\pi } }}{\left( {{1 \over {{a_0}}}} \right)^{3/2}}\left( {2 - {{{r_0}} \over {{a_0}}}} \right){e^{ - {r_0}/{a_0}}}$$$
Where a0 is Bohr's radius. If the radial node in 2s be at r0, then find r0 in terms of a0.

(b) A baseball having mass 100 g moves with velocity 100 m/s. Determine the value of wavelength of baseball.
4
IIT-JEE 2004
Subjective
+2
-0
Find the equation of plane passing through $$(1, 1, 1)$$ & parallel to the lines $${L_1},{L_2}$$ having direction ratios $$(1,0,-1),(1,-1,0).$$ Find the volume of tetrahedron formed by origin and the points where these planes intersect the coordinate axes.
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