Q71.Let ๐ด= ๐= ๐ดโ 0 and ๐ด- d Adj ๐ด= 0. Then ๐ ๐, (1) 1 + ๐2 = ๐+ ๐2 (2) 1 + ๐2 = ๐+ ๐2 (3) 1 + ๐2 = ๐2 + ๐2 (4) 1 + ๐2 = ๐2 + ๐2
What This Question Tests
This question tests the fundamental property of adjoint matrices, A * Adj(A) = det(A) * I, and requires equating matrix elements to find a relationship between the matrix elements and its determinant.
Concepts Tested
Formulas Used
A * Adj(A) = det(A) * I
det(A) = mq - np
๐ NCERT Sections This Tests
13.5 โ The Q Value Of A Nuclear Reaction A + B ยฎ C + D Is Defined By
Physics Class 12 ยท Chapter 13
13.5 The Q value of a nuclear reaction A + b ยฎ C + d is defined by Q = [ mA + mb โ mC โ md]c2 where the masses refer to the respective nuclei. Determine from the given data the Q-value of the following reactions and state whether the reactions are exothermic or endothermic. (i) 11 H+13 H โ12 H+12 H (ii) 126 C+126 C โ1020 Ne+ 24 He Atomic masses are given to be m ( 12 H ) = 2.014102 u m ( 13 H) = 3.016049 u m ( 126 C ) = 12.000000 u m ( 1020 Ne ) = 19.992439 u
12.1 โ (A) No Different From
Physics Class 12 ยท Chapter 12
12.1 (a) No different from (b) Thomsonโs model; Rutherfordโs model (c) Rutherfordโs model (d) Thomsonโs model; Rutherfordโs model (e) Both the models
14.2 โ Which Of The Statements Given In Exercise 14.1 Is True For P-Type
Physics Class 12 ยท Chapter 14
14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
๐ Question Details
- Chapter
- Matrices & Determinants
- Topic
- Properties of adjoint matrix
- Year
- 2023
- Shift
- 30 Jan Shift 1
- Q Number
- Q71
- Type
- MCQ
- NCERT Ref
- Class 12 Mathematics Ch 4: Determinants
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