JEE Main Test 135

Result

JEE Main Test 135

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D

Solution
Question 2
4 / -1

A light ray of 5895 Å wavelength travelling in vacuum enters a medium of refractive index 1.5. The speed of light in the medium is

A
3 × 10⁸ ms ^-1

B
2 × 10⁸ ms ^-1

C
1.5 × 10⁸ ms ^-1

D
6 × 10⁸ ms ^-1

Solution
Question 3
4 / -1

The vectors of magnitude a, 2a, 3a meet at a point and their directions are along the diagonals of three adjacent faces of a cube. Then, the magnitude of their resultant is

A
5a

B
6a

C
10a

D
9a

Solution
Question 4
4 / -1

If the points (1, 2, 3) and (2, -1, 0) lie on the opposite sides of the plane 2x + 3y - 2z = k, then

A
k < 1

B
k > 2

C
k < 1 or k > 2

D
1 < k < 2

Solution
Question 5
4 / -1

Four numbers are chosen at random (without replacement) from the set {l, 2, 3, ... , 20}.

Statement I The probability that the chosen numbers when arranged in some order will form an AP is 1/85.

Statement II If the four chosen numbers form an AP, then the set of all possible values of common difference is {± 1, ± 2, ± 3, ± 4, ± 5}.

A
Statement I is correct, Statement II is correct; Statement II is a correct explanation for Statement 1

B
Statement I is correct, Statement II is correct; Statement II is not a correct explanation for Statement I

C
Statement I is correct, Statement II is incorrect

D
Statement I is incorrect, Statement II is correct

Solution

Statement II is not correct, Since, we could get the common difference ‘6’ also
Question 6
4 / -1

The resistance of a germanium junction diode whose V - I is shown in the figure, is (V_k = 0.3 V ).

A
5 kΩ

B
0.2 kΩ

C
2.3 kΩ

D

Solution
Question 7
4 / -1

A box contains 100 bulbs, out of which 10 are defective. A sample of 5 bulbs is drawn. The probability that none is defective, is

A
9/10

B

C

D

Solution
Question 8
4 / -1

The ratio of the nuclear radii of elements with mass numbers 216 and 125 is

A
216, 125

B
√216, √125

C
6 : 5

D
None of these

Solution
Question 9
4 / -1

A
(1001)₂

B
(101)₂

C
(110)₂

D
(100)₂

Solution
Question 10
4 / -1

Which of the following is a fusion reaction?

A
₁H² + ₁H² → ₂He⁴

B
₁H² + ₁H² → 2(₁H²)

C
₁H¹ + ₁H¹ → ₂He⁴

D
₁H¹ + ₁H² → ₂He⁴ + n

Solution

Fusion reaction is