JEE Main Test 76

Result

JEE Main Test 76

Score
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out of -
Rank
-
out of -

TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A real gas behaves like an ideal gas, if its

A
pressure and temperature are both high

B
pressure and temperature are both low

C
pressure is high and temperature is low

D
pressure is low and temperature is high

Solution

In case of low pressure and high temperature, there will be large Intermolecular distance so negligible Intermolecular forces, so it will behaves as an Ideal gas.

At low pressure and high temperature real gas behaves as an ideal gas.
Question 2
4 / -1

A

B

C

D

Solution
Question 3
4 / -1

A
A

B
|A|

C
|A|.I

D
None of the above

Solution
Question 4
4 / -1

Two type FXF angles are present in which of the following molecules ? (X =S, Xe, C)

A
SF₄

B
XeF₄

C
SF₆

D
CF₄

Solution

The hybridization of central atom is as follows

SF₄→ SP³d

XeF₄→ SP³d²

SF₆ → SP³d²

CF₄→ SP³

The geometry of SF₄is trigonal bipyramidal, which has two types of F×F bond angles.
Question 5
4 / -1

A particle of mass m executes simple harmonic motion with amplitude a and frequency v. The average kinetic energy during its motion from the position of equilibrium to the end is

A

B

C

D

Solution
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

If in a resonance tube, oil of density higher than that water is used, then at the resonance frequency would

A
increase

B
decrease

C
slightly increase

D
remains same

Solution

In a resonance tube,Water works as a reflector and resonance frequency is Independent of the liquid substances.
Question 8
4 / -1

The ratio of electric field and potential (E / V ) at mid-point of electric dipole, for which separation l is

A
1 / l

B
l

C
2 / l

D
None of these

Solution
Question 9
4 / -1

A charge +q is placed at the origin O of X–Y axis as shown in the figure. The work done in taking a charge Q from A to B along the straight line AB is

A

B

C

D

Solution
Question 10
4 / -1

If tan^-1 (1/3) + tan^-1 (3/4) - tan^-1 (χ/3) = 0 , then χ is equal

A
7/3

B
3

C
11/3

D
13/3

Solution