JEE Main Test 102

Result

JEE Main Test 102

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

If 4a² + 9b² + 16c² = 2(3ab + 6bc + 4ca), where a, b and c are non - zero numbers, then a, b, c are in

A
AP

B
GP

C
HP

D
None of these

Solution
Question 2
4 / -1

A 20 cm long capillary tube is dipped in water. The water rises upto 8 cm. If the entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be

A
8 cm

B
10 cm

C
4 cm

D
20 cm

Solution
Question 3
4 / -1

Two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop, if T is the surface tension, is

A
2^5/3π r²T

B
4π r²T

C
2π r²T

D
2^8/3π r²T

Solution
Question 4
4 / -1

A diatomic ideal gas is used in a car engine as the working substance. If during the adiabatic expansion part of the cycle, volume of the gas increases from V to 32 V. The efficiency of the engine is

A
0.5

B
0.75

C
0.99

D
0.25

Solution
Question 5
4 / -1

For |χ| < 1, the constant term in the expansion of

A
2

B
1

C
0

D
-(1/2)

Solution
Question 6
4 / -1

A
4

B
8

C
16

D
32

Solution
Question 7
4 / -1

A T shaped object with dimensions shown in the figure, is lying on a smooth floor. A force F is applied at the point P parallel to AB, such that the object has only the translational motion without rotation. Find the location of P with respect to C.

A

B

C

D

Solution
Question 8
4 / -1

The distance between the centres of carbon and oxygen atoms in the carbon monoxide molecule is 1.130A° . Locate the centre of mass of the molecule relative to the carbon atom

A
5.428 Å

B
1.130 Å

C
0.6457 Å

D
0.3260 Å

Solution
Question 9
4 / -1

The bond length of HCl molecule is 1.275 Å and its dipole moment is 1.03 D. The ionic character of the molecule (in per cent) (charge of the electron = 4.8 x 10^-10 esu) is

A
100

B
67.3

C
33.66

D
16.83

Solution
Question 10
4 / -1

If A is a square matrix, then

A
A + A^T is symmetric

B
AA^T is skew- symmetric

C
A^T + A is skew- symmetric

D
A^T is skew-symmetric

Solution