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Questions and Answers
The __________ is known for making a distinct sound.
The __________ is known for making a distinct sound.
cat
In the __________, various sounds can often be heard.
In the __________, various sounds can often be heard.
jungle
The __________ of the dog can be heard from a distance.
The __________ of the dog can be heard from a distance.
bark
A __________ is typically found around homes for companionship.
A __________ is typically found around homes for companionship.
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The __________ of nature is often soothing and calming.
The __________ of nature is often soothing and calming.
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Study Notes
Experiment 1: Diameter of Spherical Body and Wooden Block
- Aim: To determine the diameter of a spherical body and the length, breadth, and thickness of a wooden block using vernier callipers.
- Materials Required: Vernier callipers, spherical body, wooden block, and measuring cylinder.
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Formulae:
- Diameter = Main Scale Reading (MSR) + Vernier Scale Reading (VSR)
- VSR = n × Least Count (LC)
- LC = (1/10) (Main Scale Division) - (9/10) (Vernier Scale Division)
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Procedure:
- Measure the diameter of the spherical body.
- Measure the length, breadth, and thickness of the wooden block.
Experiment 2: Thickness of Pin and Glass Slide
- Aim: Determine the thickness and dimensions (length/breadth) of a pin and glass slide using a screw gauge.
- Apparatus: Screw gauge, pin, glass slide.
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Formulae:
- Thickness = (LSR + CSR) + zero error
- LSR - is main scale reading + CSR = circular scale reading.
- Zero error = the circular scale division which exactly coincides with the reference line
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Procedure:
- Measure the thickness of the pin.
- Measure the length and breadth of the glass slide.
- Correct for zero error - Measure zero error of the screw gauge
Experiment 3: Radius of Spherical Surface
- Aim: To determine the radius of a spherical surface by using a spherometer.
- Materials Required: Glass surface, spherometer.
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Formulae:
- R = (6h/2)
- where; R is Radius, h is Sagitta.
- Procedure: - Measure the vertical distance between the reference plane and the spherical surface for different locations. - Average these values to determine the average Sagitta (h). - Calculate the radius (R) of the spherical surface using the formula provided.
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Description
Test your knowledge about animal sounds and the soothing effects of nature. This quiz covers various aspects of sounds produced by pets and the tranquility of the natural world. See how well you recognize the sounds associated with different animals and environments.
