How does the image distance and magnification give information about the type of image is produced bya lens or multiple lenses/
1 answer:
Explanation:
The image distance gives the position of image formed by a lens. It also shows how far the image is formed form the pole of the lens. There is a relationship between the object distance, object distance and the focal length of the lens. It is given by :
Where
v is the image distance
u is the object distance
f is the focal length of the lens
The ratio of image distance to the object distance is called the magnification of the lens. It is given by :
Magnification of lens is also defined as the ratio of the height of the image to the height of the object. It is given by :
h' is the height of image
h is the height of object
The magnification of a lens shows that how many times the image is magnified. If the magnification of a lens is more than 1, it shows that the image is greater than the object and if it is less than 1, it shows the image is smaller than the object.
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Answer:
d = 10.2 m
Explanation:
When the car travels up the inclined plane, its kinetic energy will be used to do the work in climbing up. So according to the law of conservation of energy, we can write that:
where,
m = mass of car
v = speed of car at the start of plane = (36 km/h)(1000 m/1 km)(1 h/3600 s)
v = 10 m/s
F = force on the car in direction of inclination = W Sin θ
W = weight of car = mg
θ = Angle of inclinition = 30°
d = distance covered up the ramp = ?
Therefore,
<u>d = 10.2 m</u>