Q. Ravi walks 10 meters south, then turns left and walks 5 meters. After that, he turns left again and walks 10 meters. In which direction is he now from his starting point? (2023)
A.
North
B.
South
C.
East
D.
West
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Solution
Ravi starts facing North. He walks South 10m, then turns left (East) and walks 5m, then turns left again (North) and walks 10m, ending up North of his starting point.
Correct Answer: A — North
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Q. Sita walks 15 meters towards the West, then turns to her right and walks 10 meters. In which direction is she now? (2023)
A.
North
B.
South
C.
East
D.
West
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Solution
Sita walks West, then turns right (North) and walks 10 meters, so she is now facing North.
Correct Answer: A — North
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Q. What does a compass primarily indicate? (2021)
A.
Magnetic North
B.
True North
C.
Geographic South
D.
Magnetic South
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Solution
A compass indicates Magnetic North, which is the direction that a compass needle points to due to the Earth's magnetic field.
Correct Answer: A — Magnetic North
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Q. What happens to the compass needle when you move towards the North Pole? (2019)
A.
It points straight down
B.
It points straight up
C.
It spins randomly
D.
It points towards the South
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Solution
As you approach the North Pole, the compass needle starts to point downwards due to the magnetic field lines converging.
Correct Answer: A — It points straight down
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Q. What is the angle between Magnetic North and True North called? (2023)
A.
Declination
B.
Inclination
C.
Azimuth
D.
Elevation
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Solution
The angle between Magnetic North and True North is known as Declination.
Correct Answer: A — Declination
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Q. What is the effect of a strong magnetic field on a compass? (2022)
A.
It enhances accuracy
B.
It has no effect
C.
It can cause deviation
D.
It makes it unusable
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Solution
A strong magnetic field can cause deviation in the compass reading, leading to inaccuracies.
Correct Answer: C — It can cause deviation
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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. 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 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 of the following can affect the accuracy of a compass? (2022)
A.
Metal objects nearby
B.
High altitudes
C.
Water bodies
D.
Wind direction
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Solution
Metal objects can create magnetic interference, affecting the accuracy of a compass.
Correct Answer: A — Metal objects nearby
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