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02 - How to make a Clinometer (activity) - Class 10 - Maths Video Lecture

FAQs on 02 - How to make a Clinometer (activity) - Class 10 - Maths Video Lecture

1. How does a clinometer work?

A clinometer works by measuring the angle of elevation or depression of an object. It typically consists of a protractor or an inclinometer and a weighted string or a pendulum. When the clinometer is aligned with the object being measured, the string or pendulum hangs vertically, and the angle can be read from the protractor.

2. What materials are needed to make a clinometer?

To make a clinometer, you will need a protractor, a weighted string or a pendulum, a straw or a piece of cardboard, a ruler, a pencil or a marker, and tape or glue. These materials will allow you to construct a simple yet effective clinometer for measuring angles.

3. How can I calibrate my homemade clinometer?

To calibrate a homemade clinometer, you will need to find a reference point with a known angle. For example, you can align your clinometer with a vertical object, such as a tall building or a tree, and mark the angle it gives you. Then, compare this angle with the known angle to determine if any adjustments are needed. If necessary, you can add or subtract an offset to ensure accurate measurements.

4. Can a clinometer be used to measure the height of a building?

Yes, a clinometer can be used to measure the height of a building. By standing at a known distance away from the building and measuring the angle of elevation from the ground to the top of the building, you can use trigonometry to calculate its height. This method is known as the clinometer height measurement technique and is commonly used in surveying and architecture.

5. Are there any alternative methods to measure angles without a clinometer?

Yes, there are alternative methods to measure angles without a clinometer. One common method is using a digital inclinometer or a smartphone app that uses the built-in accelerometer to measure angles. Additionally, you can use a theodolite or a transit, which are more advanced instruments commonly used in surveying and engineering. These alternatives provide more precise measurements but may require more expertise to operate.

Text Transcript from Video

In this video, we are going to understand
what the Clinometer is, and also how to construct
and use the Clinometer.
Now, A Clinometer is an instrument that is
used to measure the inclined or the slope
of an object with respect to gravity.
i.e it is use to measure the angle of depression
or the angle of elevation.
Can you guess why we need to measure the angle
of inclination or the angle of depression?
Well!
I will give you an example, in case you want
to measure the height of a very tall object
say the "BURJ KHALIFA"
which is the tallest building in the world...
How would you do it?
Obviously!
You won't use a measuring tape to measure
the height
of that building.
In that case, you will measure the angle of
elevation of the building. By using that measure,
and with the concept of trigonometry, you
will be able to find out the height of the
object without actually measuring the object.
So in short a Clinometer helps us to measure
the height of tall object, with using the
concept of trigonometry, without actually
measuring the height of the objects.
A Clinometer is also known as 'Tilt Indicator'
and many other names.
Now First we will learn how to Construct a
Clinometer.
To Perform this Activity, we require a
a sheet of white paper, a protractor, a straw,
any heavy weight,
here I am using a nut, a string, cello- tape,
glue-stick and a pair of scissors.
So first take your protractor and on the reverse
side apply glue, make sure you apply it well
uniformly, Once its done paste the protractor
on the white paper then, using a pair of scissors
cut out the paper from the edges of the protractor.
Once this is done take the string and the
heavy weight and tie the heavy weight with
the string. Make sure its tight enough so
that the heavy weight won't fall off.
Once this is done take the free end of this
string and place it on the center line of
the protractor , and secure it to the protractor
using a cello tape, Once this is done take
the straw and place it here on the 180 degree
line of the protractor and secure this to
using cello-tape. Once this is done your Clinometer
is ready to be used.

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Oct 04, 2025 Last updated

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