Check out this amazing Question of the Day from the Chapter :- Electromagnetic induction 🤩
Link - https://vdnt.in/GbUVg
Link - https://vdnt.in/GbUVg
Chapter :- System of particles and rotational motion
Two discs having mass ratio (1/2) and diameter ratio (2/1), then find ratio of moment of inertia.
Two discs having mass ratio (1/2) and diameter ratio (2/1), then find ratio of moment of inertia.
Anonymous Quiz
34%
2:1
34%
1:1
24%
1:2
8%
2:3
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Chapter :- Gaseous state
A 10 g of a gas at atmospheric pressure is cooled from 273°C to 0°C keeping the volume constant, its pressure would become
A 10 g of a gas at atmospheric pressure is cooled from 273°C to 0°C keeping the volume constant, its pressure would become
Anonymous Quiz
22%
1/2 atm
44%
1/273 atm
22%
2 atm
12%
273 atm
Check out this amazing Question of the Day from the Chapter :- Matrices and determinants 🤩
Link - https://vdnt.in/GbUVv
Link - https://vdnt.in/GbUVv
Chapter :- Gravitation
What will be the value of g at the bottom of sea 7 km deep? Diameter of the earth is 12800 km and g on the surface of the earth is 9.8 ms⁻²
What will be the value of g at the bottom of sea 7 km deep? Diameter of the earth is 12800 km and g on the surface of the earth is 9.8 ms⁻²
Anonymous Quiz
36%
9.789 m/s²
31%
9.259 m/s²
24%
97.89 m/s²
9%
0.987 m/s²
Chapter :- Chemical Kinetics
A first order reaction requires 30 minutes for 50% completion. The time required to complete the reaction by 75% will be
A first order reaction requires 30 minutes for 50% completion. The time required to complete the reaction by 75% will be
Anonymous Quiz
33%
45 minutes
27%
15 minutes
34%
60 minutes
6%
None of these
Check out this amazing Question of the Day from the Chapter :- d and f block elements 🤩
Link - https://vdnt.in/GbUW2
Link - https://vdnt.in/GbUW2
Chapter :- Tangent and normal
If x and y = 2t, then equation of the normal at t=1 is
If x and y = 2t, then equation of the normal at t=1 is
Anonymous Quiz
23%
x + y - 3 = 0
42%
x + y - 1 = 0
27%
x + y + 1 = 0
8%
x + y + 3 = 0
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Chapter :- Maxima and minima
Maximum slope of the curve y=-x³ +3x²+9x-27 is
Maximum slope of the curve y=-x³ +3x²+9x-27 is
Anonymous Quiz
21%
0
42%
12
29%
16
8%
32
Check out this amazing Question of the Day from the Chapter :- Work energy Power 🤩
Link - https://vdnt.in/GbV1B
Link - https://vdnt.in/GbV1B
Chapter :- Mechanical properties of solids
Two wires A and B have the same length and area of cross-section. But Young's modulus of A is two times the Young's modulus of B. Then the ratio of force constant of A to that of B is
Two wires A and B have the same length and area of cross-section. But Young's modulus of A is two times the Young's modulus of B. Then the ratio of force constant of A to that of B is
Anonymous Quiz
16%
1
50%
2
20%
-1
14%
√2
Chapter :- Electrochemistry
On passing 0.1 Faraday of electricity through aluminium chloride, the amount of aluminium metal deposited on cathode is (Al = 27)
On passing 0.1 Faraday of electricity through aluminium chloride, the amount of aluminium metal deposited on cathode is (Al = 27)
Anonymous Quiz
21%
0.9 gm
28%
0.3 gm
37%
0.27 gm
14%
2.7 gm
Check out this amazing Question of the Day from the Chapter :- Definite integrals 🤩
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Link - https://vdnt.in/GbV2j
Chapter :- Motion in a plane
A vector is inclined at an angle 60° to the horizontal. If its rectangular component in the horizontal direction is 50 N, then its magnitude in the vertical direction is
A vector is inclined at an angle 60° to the horizontal. If its rectangular component in the horizontal direction is 50 N, then its magnitude in the vertical direction is
Anonymous Quiz
24%
25 N
32%
75 N
32%
87 N
13%
100 N
Chapter :- Vector algebra
The magnitudes of mutually perpendicular forces a, b and c are 2, 10 and 11 respectively. Then the magnitude of its resultant is
The magnitudes of mutually perpendicular forces a, b and c are 2, 10 and 11 respectively. Then the magnitude of its resultant is
Anonymous Quiz
18%
12
57%
15
15%
9
11%
None of these
Check out this amazing Question of the Day from the Chapter :- Electrochemistry 🤩
Link - https://vdnt.in/GbV37
Link - https://vdnt.in/GbV37
Chapter :- Redox reactions
Which of the following is the most powerful oxidizing agent
Which of the following is the most powerful oxidizing agent
Anonymous Quiz
44%
F₂
28%
Cl₂
14%
Br₂
14%
I₂