Q67.The Boolean expression ( ๐โ๐) โง( ๐โ~๐) is equivalent to : (1) ~๐ (2) ๐ (3) ๐ (4) ~๐
What This Question Tests
This question tests the basic understanding of logical equivalences, specifically converting conditional statements into disjunctions and then simplifying the compound statement.
Concepts Tested
Formulas Used
p => q = ~p V q
๐ NCERT Sections This Tests
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.
14.1 โ In An N-Type Silicon, Which Of The Following Statement Is True:
Physics Class 12 ยท Chapter 14
14.1 In an n-type silicon, which of the following statement is true: (a) Electrons are majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent atoms are the dopants. (c) Holes are minority carriers and pentavalent atoms are the dopants. (d) Holes are majority carriers and trivalent atoms are the dopants.
9.15 โ Apply Mirror Equation And The Condition:
Physics Class 12 ยท Chapter 9
9.15 Apply mirror equation and the condition: (a) f < 0 (concave mirror); u < 0 (object on left) (b) f > 0; u < 0 (c) f > 0 (convex mirror) and u < 0 (d) f < 0 (concave mirror); f < u < 0 to deduce the desired result.
๐ Question Details
- Chapter
- Mathematical Reasoning
- Topic
- Logical equivalences
- Year
- 2021
- Shift
- 25 Jul Shift 1
- Q Number
- Q67
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 14: Mathematical Reasoning
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