JEE Main Class XII Weekly Mock 10 for JEE & BITSAT Exams

Question 1

Which statement describe crystal field theory for d-block complexes of unspecified geometry?

Question 2

Which of these are tetrahederal in shape?

Question 3

Correct order of H – C – H bond angle in following molecule.
CH₄, CH₃Cl, and CH₂Cl₂

Question 4

Question 5

On mixing a certain alkane with chlorine and irradiating it with ultraviolet light, it forms only one monochlroalkane. This alkane could be

Question 6

A body is constraint to move only along Y-direction under the action of a force F = –2

+ 15

+ 6 newton. If the body moves a distance of 10m then the work done is -

Question 7

If

.

= |

×

|, then angle θ between vector

and

is -

Question 8

The magnitude of vectors

,

and

are respectively 12, 5 and 13 units and

=

, then the angle between

and

is -

Question 9

The vertices of triangle have the position vectors ,, and P(

) is a point in the plane of Δsuch that : .+.

=. + .

= . +.

then for the Δ, P is the

Question 10

Let , and be three non–zero and non coplanar vectors and

,

and

be three vectors given by

=+– 2,

= 3– 2+,

=– 4+ 2.
If the volume of the parallelopiped determined by , and is v₁ and that of the parallelopiped determined by

,

and

is v₂, then v₂ : v₁ =

Question 11

Silver has a work function fo 4.7 eV. When ultraviolet light of wavelength 100 nm is incident upon it, a potential of 7.7 volt is required to stop the photoelectrons from reaching the collector plate. The potential required to stop photo electrons when light of wavelength 200 nm is incident upon silver is-

Question 12

Figure represents the graph of photo current I versus applied voltage (V). The maximum energy of the emitted photoelectron is –

Question 13

The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve -

Question 14

The wavelength of the wave associated with a moving electon depends on

Question 15

Which curve shows the relationship between the energy E and the wavelength of a photon of electromagnetic radiation?