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VladimirAG [237]
1 year ago
13

what is the thickness of the central portion of a thin conveying lens can be determined very accurately by using (a) vernier cal

liper (b) micro meter screw guage (c) telescope ( d) microscope​
Physics
1 answer:
beks73 [17]1 year ago
8 0

Option B The thickness of the central portion of a thin conveying lens can be determined very accurately by using a micrometer screw gauge.

<h3>What can be measured using a micrometer screw gauge?</h3>

One micrometer of thickness can be measured with a micron micrometre screw gauge. A Use of Micrometer Screw Gauge as like example Upon turning the screw of the micrometer screw gauge four times, a 2 mm space is covered.

<h3>What purposes does a micrometer serve?</h3>

A tool known as a micrometer is used to measure solid objects’ lengths, thicknesses, and other dimensions precisely and linearly.

<h3>What is the micrometer screw gauge’s SI unit?</h3>

The SI symbol m is also known as a micron, which is an SI-derived unit of length equaling 1106 meters, where 106 is the SI standard prefix for the prefix “micro-.” A micrometer is one-millionth of a meter.

To know more about screw gauges, visit:

brainly.com/question/4704005

#SPJ13

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1.) 450 cm =____m<br><br> 2.) 24 miles =____cm<br><br> 3.) 16.7 gallons =____liters
S_A_V [24]

Answer:

450cm = 4.5m

24miles = 3862430 cm (3.9×10⁶cm)

16.7 gallons = 63.216 liters (approx.)

Explanation:

brainliest plz

7 0
3 years ago
While traveling along a highway a drivers velocity is 9m/s. In 12 seconds how far has the car gone?
kupik [55]

While travelling along a highway a drivers velocity is 9 m/s. In 12 seconds, the car has gone for 108 m.

<u>Explanation:</u>

The car travelling along the highway has a uniform velocity of 9 m/s. therefore to calculate the distance travelled by the car with the uniform velocity in 12 seconds, simple formula of velocity is to be employed.

Thereby, as we know that

           \text {velocity}=\frac{\text {displacement}}{\text {time}}

The displacement is along the highway with uniform motion, therefore, distance=displacement

Given that,

Velocity = 9 m/s  

Time = 12 s

Putting the values in the formula, we get,

       9 = \frac{d}{12}

       d=12 \times 9=108 \mathrm{m}

Therefore, the car travels for 108 m in the 12 seconds while travelling along highway with 9 m/s of velocity.

5 0
3 years ago
Which of the following is a scalar quantity?
raketka [301]

A scalar quantity is one in which there is no direction given.


30 Lbs would be the answer, since there is no indicator of direction.

5 0
3 years ago
Which of the following is NOT a criteria for a celestial object to be a planet?
Mazyrski [523]

Answer:

The option which is not a criteria for a celestial object to be a planet is;

The object must be massive enough have a gravitational pull on the Sun

Explanation:

There are three criteria for a celestial object to be classified as a planet including;

1) The object's orbit is around the Sun

2) The shape of the object is nearly round due to its mass which is capable of assuming hydrostatic equilibrium

3) Other smaller objects in the neighborhood around the object has been cleared by the object

Therefore, the option which is not a criteria for a celestial object to be a planet is that it must be massive enough to have a gravitational pull on the Sun as every two objects in the Universe share a common gravitational pull according to Newton's Law of Gravitation.

5 0
3 years ago
When the fulcrum is shifted to the right, which side has a mechanical advantage and which side has a mechanical disadvantage?
o-na [289]

The lever is a movable bar that pivots on a fulcrum attached to or positioned on or across a fixed point. The lever operates by applying forces at different distances from the fulcrum, or pivot.

A lever amplifies an input force to provide a greater output force, which is said to provide leverage. The ratio of the output force to the input force is the mechanical advantage of the lever.

The mechanical advantage of the lever is increased by moving the fulcrum closer to the load i.e., by shifting the fulcrum towards the right. Moving the fulcrum away from the load has mechanical disadvantage as the distance between the load and the fulcrum increases, the input force becomes greater than the output force.

8 0
4 years ago
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