Q. What is the primary factor that affects the gravitational force between two objects? (2023)
A.
The shape of the objects
B.
The distance between the objects
C.
The color of the objects
D.
The temperature of the objects
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Solution
The gravitational force between two objects is primarily affected by the distance between them; as the distance increases, the gravitational force decreases.
Correct Answer: B — The distance between the objects
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Q. What is the primary focus of semantic memory? (2021)
A.
Personal experiences
B.
General knowledge and facts
C.
Motor skills
D.
Visual images
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Solution
Semantic memory is responsible for storing general knowledge and facts about the world.
Correct Answer: B — General knowledge and facts
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Q. What is the primary principle behind the use of spectroscopy for group identification? (2020)
A.
Separation of mixtures
B.
Absorption of light
C.
Chemical reactivity
D.
Phase changes
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Solution
Spectroscopy relies on the absorption of light by substances, which can be used to identify different groups based on their unique absorption spectra.
Correct Answer: B — Absorption of light
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Q. What is the primary purpose of constraint-based distribution in physics? (2021)
A.
To maximize energy efficiency
B.
To ensure equilibrium in a system
C.
To minimize the total mass
D.
To optimize speed
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Solution
Constraint-based distribution ensures that all forces in a system are balanced, leading to equilibrium.
Correct Answer: B — To ensure equilibrium in a system
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Q. What is the primary reason for the seasons on Earth? (2021)
A.
Earth's distance from the Sun
B.
Tilt of Earth's axis
C.
Earth's rotation speed
D.
Sun's energy output
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Solution
The tilt of Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the seasons.
Correct Answer: B — Tilt of Earth's axis
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Q. What is the primary use of a compass in navigation? (2020)
A.
To measure distance
B.
To determine direction
C.
To calculate speed
D.
To find altitude
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Solution
The primary use of a compass in navigation is to determine direction.
Correct Answer: B — To determine direction
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Q. What is the unit of force in the International System of Units (SI)? (2019)
A.
Joule
B.
Newton
C.
Pascal
D.
Watt
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Solution
The unit of force in the SI system is the Newton (N), which is defined as the force required to accelerate a one-kilogram mass by one meter per second squared.
Correct Answer: B — Newton
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Q. What phenomenon explains why a straw appears bent when placed in a glass of water? (2020)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
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Solution
Refraction is the bending of light as it passes from one medium to another, which causes the straw to appear bent in water.
Correct Answer: B — Refraction
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Q. What role do constraints play in the analysis of mechanical systems? (2021)
A.
They simplify the equations of motion
B.
They increase the complexity of the system
C.
They have no significant impact
D.
They only affect energy calculations
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Solution
Constraints simplify the equations of motion by limiting the degrees of freedom in a mechanical system.
Correct Answer: A — They simplify the equations of motion
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Q. What shape will be formed when a paper with a heart cut-out is folded in half? (2022)
A.
Heart
B.
Circle
C.
Square
D.
Triangle
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Solution
The heart shape will still be visible when the paper is folded in half.
Correct Answer: A — Heart
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Q. What shape will be formed when a square paper is folded diagonally and then unfolded? (2021)
A.
Triangle
B.
Square
C.
Rectangle
D.
Rhombus
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Solution
Folding a square paper diagonally creates two triangles when unfolded.
Correct Answer: A — Triangle
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Q. What type of information can nuclear magnetic resonance (NMR) provide for group identification? (2019)
A.
Molecular weight
B.
Chemical structure
C.
Color change
D.
pH level
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Solution
Nuclear magnetic resonance (NMR) provides detailed information about the chemical structure of compounds, aiding in group identification.
Correct Answer: B — Chemical structure
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Q. What type of memory is involved when you learn a new language? (2021)
A.
Semantic memory
B.
Figural memory
C.
Episodic memory
D.
Procedural memory
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Solution
Learning a new language primarily involves semantic memory for vocabulary and grammar.
Correct Answer: A — Semantic memory
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Q. What will be the visible shape when a paper with a star cut-out is folded in half? (2022)
A.
Star
B.
Circle
C.
Triangle
D.
Square
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Solution
The star cut-out will still be visible when the paper is folded in half.
Correct Answer: A — Star
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Q. What will the paper look like after folding it in the indicated manner?
A.
Design A
B.
Design B
C.
Design C
D.
Design D
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Solution
After folding, the paper will resemble Design B.
Correct Answer: B — Design B
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Q. When a paper is folded in a zigzag manner, what shape will it resemble when unfolded? (2020)
A.
Wavy line
B.
Straight line
C.
Triangle
D.
Square
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Solution
The zigzag fold will create a wavy line when unfolded.
Correct Answer: A — Wavy line
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Q. When a paper is folded in half and a triangle is cut out from the edge, what will be the shape when unfolded? (2023)
A.
Triangle
B.
Square
C.
Rectangle
D.
Two triangles
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Solution
Unfolding the paper will reveal two triangles from the cut-out.
Correct Answer: D — Two triangles
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Q. When a rectangular paper is folded in half along its length, what is the resulting shape? (2019)
A.
Rectangle
B.
Square
C.
Triangle
D.
Parallelogram
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Solution
The shape remains a rectangle when folded in half along its length.
Correct Answer: A — Rectangle
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Q. When using a compass, what should you avoid to ensure accurate readings? (2023)
A.
Using it in a vehicle
B.
Using it near electronic devices
C.
Using it outdoors
D.
Using it at night
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Solution
Using a compass near electronic devices can cause interference and lead to inaccurate readings.
Correct Answer: B — Using it near electronic devices
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Q. Which analogy best describes a capacitor in an electrical circuit? (2020)
A.
A sponge soaking up water
B.
A water wheel
C.
A filter
D.
A dam holding back water
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Solution
A capacitor can be likened to a sponge that stores water, as it stores electrical energy in the form of charge.
Correct Answer: A — A sponge soaking up water
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Q. Which analogy best describes a short circuit? (2021)
A.
A broken pipe
B.
A direct path for water
C.
A clogged drain
D.
A leaky faucet
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Solution
A short circuit can be compared to a direct path for water, bypassing the intended route and causing excessive flow.
Correct Answer: B — A direct path for water
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Q. Which analogy best represents an inductor in an electrical circuit? (2022)
A.
A flywheel
B.
A water tank
C.
A resistor
D.
A valve
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Solution
An inductor can be compared to a flywheel, as it stores energy in a magnetic field and resists changes in current.
Correct Answer: A — A flywheel
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Q. Which direction does a compass needle point when you are at the equator? (2019)
A.
North
B.
South
C.
East
D.
West
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Solution
At the equator, a compass needle still points towards Magnetic North.
Correct Answer: A — North
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Q. Which figure can be formed by folding the given paper?
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Solution
Figure 2 can be formed by folding the paper along the dotted lines.
Correct Answer: C — 3
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Q. Which figure completes the pattern? A, B, C, ?
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Solution
The pattern follows a sequence where each figure rotates 90 degrees clockwise.
Correct Answer: A — D
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Q. Which figure completes the series?
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Solution
The series follows a pattern of increasing shapes, and option B continues this pattern.
Correct Answer: B — B
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Q. Which figure is a mirror image of the given figure?
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Solution
Option W is the correct mirror image of the original figure.
Correct Answer: A — W
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Q. Which figure is hidden in the larger figure?
A.
Hidden 1
B.
Hidden 2
C.
Hidden 3
D.
Hidden 4
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Solution
Hidden 4 is the figure that is embedded within the larger figure.
Correct Answer: D — Hidden 4
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Q. Which figure is the mirror image of the given figure?
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Solution
Figure Z is the correct mirror image of the original figure.
Correct Answer: D — Z
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Q. Which figure is the same as the original figure when rotated?
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Solution
Figure C remains unchanged when rotated 180 degrees.
Correct Answer: C — C
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