You see its position before and then its position after.
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Answer: The nearest position of an object from a normal human eye so that its image is formed on retina is 25 CM. If the object is placed at a distance less than 25 CM, then the blurred image of the object is formed on retina as the focal length of a lens cannot be decreased below a certain limit. Hence we cannot see it clearly.
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If the radius of the cylinder is halved and length is kept unchanged then the density of air inside the cylinder will increase.
As it can be said that density is inversely proportion to the square of the radius.
Density of Cylinder
Density is the ratio of mass to volume.
The formula for density is: ρ= m/v.
The formula for the Mean Density of a cylinder is:
ρ= m/ (π•r²•h)
where:
ρ is the density of the cylinder
m is the mass of the cylinder
h is the height of the cylinder
So, with increase in radius the of the cylinder there is decrease in the density of cylinder.
And on decreasing the radius of the cylinder there is increase in the density of the cylinder.
As it can be said that density is inversely proportion to the square of the radius.
To learn more about Density Of Cylinder
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Answer:
4. Violet light has the shortest wavelength of all the colours and the highest frequency. Red has the longest wavelength and the lowest frequency.
5.
a. Radio waves
b. Radio waves
c. Radio waves
d. Radio waves
e. Infrared waves
f. Infrared waves
g. Infrared waves
h. X-ray waves
i. Gamma ray waves (UV)
6. Ultraviolet (UV) radiation
7. Premature aging of the skin and sun damage
(liver spots, keratosis, solar elastosis, etc.)
Hope it helps!
It is called a warm front when a warm air mass moves into an area where a cold air mass is located based on the blanked sentence above. A warm front is a condition where a warm air mass is replacing a cold air in a place. The character of a warm front condition is an increasing in temperature of a place which is caused by the moving warm air mass<span>.</span>
