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zero-matrix MCQ Questions for Class 12
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3 MCQs
Class 12 • zero-matrix
Practice Questions
3 questions tagged with zero-matrix.
यदि \(A=[a_{ij}]*{2\times2}\) और (a*{ij}=0) सभी (i,j) के लिए है, तो (A) कैसी मैट्रिक्स है?
If \(A=[a_{ij}]*{2\times2}\) and (a*{ij}=0) for all (i,j), what type of matrix is (A)?
#matrices
#zero-matrix
#definition
A इकाई मैट्रिक्स / Identity matrix
B शून्य मैट्रिक्स / Zero matrix
C अदिश मैट्रिक्स / Scalar matrix
D पंक्ति मैट्रिक्स / Row matrix
Explanation opens after your attempt
Correct Answer
B. शून्य मैट्रिक्स / Zero matrix
Step 1
Concept
When all elements are (0), the matrix is a zero matrix. This is a direct definition-based question.
Step 2
Why this answer is correct
The correct answer is B. शून्य मैट्रिक्स / Zero matrix. When all elements are (0), the matrix is a zero matrix. This is a direct definition-based question.
Step 3
Exam Tip
जब सभी अवयव (0) हों, तो मैट्रिक्स शून्य मैट्रिक्स होती है। यह definition पर आधारित सीधा प्रश्न है।
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कौन-सा विकल्प \(2\times2\) शून्य मैट्रिक्स है?
Which option is the \(2\times2\) zero matrix?
#matrices
#zero-matrix
#identify
A \(\begin{bmatrix}0&0\0&0\end{bmatrix}\)
B \(\begin{bmatrix}1&0\0&1\end{bmatrix}\)
C \(\begin{bmatrix}0&1\1&0\end{bmatrix}\)
D \(\begin{bmatrix}2&0\0&2\end{bmatrix}\)
Explanation opens after your attempt
Correct Answer
A. \(\begin{bmatrix}0&0\0&0\end{bmatrix}\)
Step 1
Concept
Every element in a zero matrix is (0). In the first option, all four elements are (0).
Step 2
Why this answer is correct
The correct answer is A. \(\begin{bmatrix}0&0\0&0\end{bmatrix}\). Every element in a zero matrix is (0). In the first option, all four elements are (0).
Step 3
Exam Tip
शून्य मैट्रिक्स में हर अवयव (0) होता है। पहले विकल्प में चारों अवयव (0) हैं।
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मैट्रिक्स \(O=\begin{bmatrix}0&0\0&0\end{bmatrix}\) किस प्रकार की मैट्रिक्स है?
What type of matrix is \(O=\begin{bmatrix}0&0\0&0\end{bmatrix}\)?
#matrices
#zero-matrix
#type
A इकाई मैट्रिक्स / Identity matrix
B शून्य मैट्रिक्स / Zero matrix
C अदिश मैट्रिक्स / Scalar matrix
D स्तंभ मैट्रिक्स / Column matrix
Explanation opens after your attempt
Correct Answer
B. शून्य मैट्रिक्स / Zero matrix
Step 1
Concept
All elements of this matrix are (0). A matrix with all elements (0) is called a zero matrix.
Step 2
Why this answer is correct
The correct answer is B. शून्य मैट्रिक्स / Zero matrix. All elements of this matrix are (0). A matrix with all elements (0) is called a zero matrix.
Step 3
Exam Tip
इस मैट्रिक्स के सभी अवयव (0) हैं। सभी अवयव (0) हों तो उसे शून्य मैट्रिक्स कहते हैं।
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