Chemistry
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CY 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 7–9 of 65. Imported answers require review unless explicitly marked reviewed.
Question 7
Open questionGAMCQ2 marksNeeds review
Consider two rectangular sheets, Sheet M and Sheet N of dimensions 6 cm x 4 cm each.
Folding operation 1: The sheet is folded into half by joining the short edges of the current shape.
Folding operation 2: The sheet is folded into half by joining the long edges of the current shape.
Folding operation 1 is carried out on Sheet M three times.
Folding operation 2 is carried out on Sheet N three times.
The ratio of perimeters of the final folded shape of Sheet N to the final folded shape of Sheet M is _____.
Your answerChoose one option.
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Open questionGAMCQ2 marksNeeds review
Five line segments of equal lengths, PR, PS, QS, QT and RT are used to form a star as shown in the figure above.
The value of θ, in degrees, is ______.
Your answerChoose one option.
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Open questionGAMCQ2 marksNeeds review
A function, λ, is defined by
The value of the expression
is:Your answerChoose one option.
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