How is your relationship with Physics these days?
Anonymous Poll
27%
Itβs complicated π
36%
We are trying π₯²
19%
Just friends (for marks) π
18%
Iβve blocked Physics everywhere π
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Let A be a matrix such that AΒ³ = 0. Then (I β A)β»ΒΉ is equal to:
Anonymous Quiz
25%
a) I + A + AΒ²
33%
b) I β A + AΒ²
21%
c) I + A β AΒ²
21%
d) None of these
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Let A and B be square matrices of same order such that AB = BA. Then which of the following is true?
Anonymous Quiz
42%
a) AB is always symmetric
29%
b) AB = BA is not always true
23%
c) A and B are simultaneously diagonalizable
6%
d) A and B are not invertible
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If A is a 2Γ2 matrix such that AΒ² = I, then which of the following is always true?
Anonymous Quiz
32%
a) A is symmetric
36%
b) A = I
23%
c) A is invertible
9%
d) A is skew-symmetric
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Which of the following is NOT a property of electric charge?
Anonymous Quiz
10%
A) Charge is quantized
9%
B) Charge is conserved
72%
C) Charge is always positive
10%
D) Charge can be transferred
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Two identical conducting spheres carry charges +6 ΞΌC and β2 ΞΌC. If they are brought into contact and then separated, what will be the final charge on each sphere?
Anonymous Quiz
39%
A) +2 ΞΌC
13%
B) β2 ΞΌC
6%
C) +1 ΞΌC
42%
D) +4 ΞΌC
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A glass rod rubbed with silk acquires a charge. The silk gets which type of charge?
Anonymous Quiz
42%
A) Positive
42%
B) Negative
10%
C) Neutral
6%
D) Cannot be determined
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Which of the following is a colligative property?
Anonymous Quiz
10%
A. Refractive Index
9%
B. Density
74%
C. Boiling point elevation
6%
D. Viscosity
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In this Class 12 Chemistry video, Tapur Maβam explains how temperature affects the solubility of solidsβ¦
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