1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The Activation energy for the reaction $$A \rightarrow B+C$$, at a temperature $$\mathrm{TK}$$ was $$0.04606 \mathrm{~RT} \mathrm{~J} / \mathrm{mol}$$. What is the ratio of Arrhenius factor to the Rate constant for this reaction?

A
1.585
B
$$3.2 \times 10^{-2}$$
C
$$1.047 \times 10^{-2}$$
D
1.047
2
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { The rate of change of the volume of a sphere with respect to its surface area } \mathrm{S} \text { is } $$

A
$$ \frac{1}{2} \sqrt{\frac{S}{\pi}} $$
B
$$ \sqrt{\frac{S}{\pi}} $$
C
$$ \frac{2}{3} \sqrt{\frac{S}{\pi}} $$
D
$$ \frac{1}{4} \sqrt{\frac{S}{\pi}} $$
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

While shuffling a pack of cards, 3 cards were accidently dropped, then find the probability that the missing cards belong to different suits?

A
$$\frac{104}{425}$$
B
$$\frac{169}{425}$$
C
$$\frac{261}{425}$$
D
$$\frac{169}{261}$$
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The area of the triangle whose vertices are $$(-2, a)(2,-6)$$ and $$(5,4)$$ is 35 sq units then the value of '$$\mathrm{a}$$' is

A
4
B
$$\frac{53}{3}$$
C
$$-\frac{23}{3}$$
D
$$\frac{128}{3}$$
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