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Exam Details

COMEDK 2023 EVENING SHIFT

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Questions 180
Duration 180 mins
Package COMEDK- Previous Year Papers

Paper pattern & analysis

Filter this paper by subject, topic or subtopic. Every graph updates from the selected questions.

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Showing all 180 questions in this paper.

Subject distribution

Mathematics
60 Qs
Chemistry
60 Qs
Physics
60 Qs

Topic distribution

Algebra
28 Qs
Physical Chemistry
27 Qs
Electromagnetism
23 Qs
Organic Chemistry
21 Qs
Calculus
20 Qs
Mechanics
20 Qs
Inorganic Chemistry
12 Qs
Modern Physics
10 Qs
Optics
7 Qs
Trigonometry
6 Qs
Coordinate Geometry
6 Qs

Subtopic distribution

Current Electricity
7 Qs
Atoms And Nuclei
6 Qs
Liquid Solution
5 Qs
Ray Optics
5 Qs
Electrostatics
5 Qs
Electrochemistry
5 Qs
Chemical Kinetics
5 Qs
Probability
5 Qs
Three Dimensional Geometry
5 Qs
Matrices And Determinants
5 Qs
Differential Equations
4 Qs
Heat And Thermodynamics
4 Qs

Difficulty distribution

Not classified 180 100%

Question type distribution

Multiple Choices 180 100%

Syllabus

Full Syllabus

Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2023 · Mathematics · Calculus · Differentiation
COMEDK 2023 EVENING SHIFT

$$\text { If } f(x)=\sin ^{-1}\left(\frac{2^{x+1}}{1+4^x}\right) \text { then } f^{\prime}(0) \text { is equal to }$$

A
\(2 \log 2\)
B
\(\frac{2}{3} \log 2\)
C
0
D
\(\log 2\)
2
2023 · Chemistry · Physical Chemistry · Liquid Solution
COMEDK 2023 EVENING SHIFT

What would be the van't Hoff factor for a solution prepared by dissolving \(3.42 \mathrm{~g}\) of \(\mathrm{CaCl}_2\) in \(2500 \mathrm{~ml}\) of water having an Osmotic pressure equal to \(0.75 \mathrm{~atm}\). at \(27^{\circ} \mathrm{C}\) ? Molar mass of \(\mathrm{CaCl}_2=111 \mathrm{~amu}\).

A
2.7
B
3.15
C
2.47
D
3.0
3
2023 · Physics · Mechanics · Units And Measurements
COMEDK 2023 EVENING SHIFT

A tentative explanation of observations without assuming that it is true is called

A
hypothesis
B
physical laws
C
theory
D
model
4
2023 · Mathematics · Trigonometry · Inverse Trigonometric Functions
COMEDK 2023 EVENING SHIFT

$$\text { Let } f(x)=\cos ^{-1}(3 x-1) \text {, then domain of } f(x) \text { is equal to }$$

A
\(\left[0, \frac{2}{3}\right]\)
B
\(\left(0, \frac{2}{3}\right)\)
C
\(\left(-\frac{2}{3}, \frac{2}{3}\right)\)
D
\(\left[-\frac{2}{3}, \frac{2}{3}\right]\)
5
2023 · Chemistry · Inorganic Chemistry · S Block Elements
COMEDK 2023 EVENING SHIFT

Choose the incorrect statement.

A
\(\mathrm{LiF}\) and \(\mathrm{Li}_3 \mathrm{~N}\) are thermally stable compounds.
B
n the vapour phase \(\mathrm{BeCl}_2\) has a polymeric chain structure consisting of numerous \(\mathrm{BeCl}_2\) units.
C
Alkali and Alkaline earth metals cannot be produced by chemical reduction methods.
D
When equimolar aqueous solutions of \(\mathrm{SrCl}_2, \mathrm{MgCl}_2\) and \(\mathrm{BaCl}_2\) are taken and their \(\mathrm{pH}\) is recorded, \(\mathrm{BaCl}_2\) solution recorded the highest \(\mathrm{pH}\).
6
2023 · Physics · Mechanics · Motion
COMEDK 2023 EVENING SHIFT

The nucleus of a helium atom travels along the inside of a straight hollow tube \(4 \mathrm{~m}\) long which forms part of a particle accelerator. If one assumes uniform acceleration, how long is the particle in the tube if it enters at a speed of \(2000 \mathrm{~m} / \mathrm{s}\) and leaves at \(8000 \mathrm{~m} / \mathrm{s}\)

A
\(0.6 \times 10^{-4}\) s
B
\(4 \times 10^{-4} \mathrm{~s}\)
C
\(8 \times 10^{-4} \mathrm{~s}\)
D
\(3.3 \times 10^{-4} \mathrm{~s}\)