KMU CAT PAST PAPER 01-10-2023
KMUCAT 5
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Angle
- Solid angle
- Mechanical equivalent of heat
- Refractive index
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Explanation
Refractive index is both unitless and dimensionless.
Refractive index is defined as the ratio of the speed of light in a vacuum to the speed of light in a medium.
Since both speeds have the same units (meters per second),
The units cancel out, making refractive index a dimensionless quantity.
It's also unitless because it doesn't have any associated units
- Laughing
- Simile
- Clapping
- None of these
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Explanation
A simile is a figure of speech that directly compares two different things using words like “like” or “as.”
Example: "She is as brave as a lion." — compares bravery to a lion using "as".
رومیو اینڈ جولیٹ کا مصنف کون ہے؟
- William Shakespeare
- Charles Dickens
- Mark Twain
- Jane Austen
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Explanation
William Shakespeare wrote Romeo and Juliet, likely between 1591 and 1596.
This play is one of his most famous tragedies.
It is estimated to have been written around 1595.
لفظ "اخلاقیات" کے لفظی معنی ______ ہیں؟
- Understand human nature
- Study of morality
- Both A and B
- None of these
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Explanation
The word "Ethics" is derived from the Greek word "Ethos," meaning character or morality.
Ethics is the study of moral principles that govern human behavior and decision-making.
- Sociology
- Psychological Morality
- Moral theory
- Philosophical morality
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Explanation
Normative ethics is a branch of philosophy that studies how people should act morally.
It's concerned with what is good, what actions are right or wrong, and what people ought to do.
- 0.01 g
- 0.02 g
- 0.03 g
- 0.04 g
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Explanation
The molar mass of CaCO₃ is approximately 100 g/mol.
The molar mass of calcium (Ca) in CaCO₃ is about 40 g/mol.
The proportion of calcium in CaCO₃ is 40/ 100 = 0.4
Therefore, in 0.1 g of CaCO₃, the amount of calcium is 0.1×0.4=0.04 g.
- Lighter nuclei
- Heavy nuclei
- Intermediate nuclei
- None of these
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Explanation
The binding energy per nucleon is highest for intermediate-sized nuclei (e.g., iron).
Both lighter and heavier nuclei have lower binding energies per nucleon compared to these intermediate nuclei.
- Voltage amplifiers
- Oscillators
- Current amplifiers
- Regeneration
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Explanation
Transistors primarily act as current amplifiers in a circuit.
They can increase the current flowing through a circuit, which can also be used for voltage amplification and switching.
- 1 field
- 2 fields
- 3 fields
- 4 fields
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Explanation
A moving charged particle is surrounded by both an electric field and a magnetic field.
The electric field is due to the charge itself, and the magnetic field is generated due to the particle's motion.
- Second
- Weber
- Henry
- Tesla
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Explanation
Ohm × Farad is equivalent to a second (s).
This is because the unit of capacitance (Farad)
multiplied by resistance (Ohm) gives time (s),
which represents the time constant in RC circuits.
