JEE Main Test 111

Result

JEE Main Test 111

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

Weight of a body of mass m decreases by 1% when it is raised to height h above the earth\'s surface. If the body is taken to a depth h in a mine, change in its weight is

A
0.5% decrease

B
2% decrease

C
0.5% increase

D
1% increase

Solution
Question 2
4 / -1

If the both the root of the quadratic equation χ² - 2kχ + k² + k - 5 = 0 are less than 5, then k lies in the interval

A
(4, 5)

B
(- ∞, 4)

C
(6, ∞)

D
(5, 6)

Solution
Question 3
4 / -1

A spring of force constant 800 Nm^-1 has an extension of 5cm. The work done in extending it from 5 cm to 15 cm is

A
16 J

B
8 J

C
32 J

D
24 J

Solution
Question 4
4 / -1

The kinetic energy of a body becomes four times its initial value. The new momentum will be

A
same as the initial value

B
twice the initial value

C
thrice the initial value

D
half of its initial value

Solution
Question 5
4 / -1

The sum of infinity of the series 1 + 2/3 + 6/3² + 10/3³ + 14/3⁴ + ... is

A
3

B
4

C
6

D
2

Solution
Question 6
4 / -1

A lead bullet strikes against a steel plate with a velocity 200 m/s. If the impact is perfectly inelastic and the heat produced is equally shared between the bullet and the target, then the rise in temperature of the bullet is (specific heat capacity of lead =125 Jkg ^-1 K ^-1)

A
80° C

B
60° C

C
40° C

D
120° C

Solution
Question 7
4 / -1

The figure shows a system of two concentric spheres of radii r₁ and r₂ and kept at temperatures T₁ and T₂ respectively. The radial rate of flow of heat in a substance between the two concentric spheres, is proportional to

A

B

C

D

Solution
Question 8
4 / -1

The cylindrical tube of a spray pump has a cross-section of 8 cm², one end of which has 40 fine holes each of area 10^-8 m². If the liquid flows inside the tube with a speed of 0.15 m min^-1, the speed with which the liquid is ejected through the holes is

A
50 ms^-1

B
5 ms^-1

C
0.05 ms^-1

D
0.5 ms^-1

Solution
Question 9
4 / -1

The number of times the digit 5 will be written when listing the integers from 1 to 1000, is

A
271

B
272

C
300

D
None of these

Solution
Question 10
4 / -1

5.6 L of helium gas at STP is adiabatically compressed to 0.7 L. Taking the initial temperature to be T₁, the work done in the process is

A

B

C

D

Solution