Heer

Given,
Height of object, h1 = 6 cm,
Focal length of lens, f = -5 cm, and
Object distance, u = -10 cm
Now, using the lens formula, 
Thus, the image of size 2 c
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The horizontal range is maximum when the angle of projection is 45°.So,        ...(1)Maximum height for angle of projection  is,
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Simply put, the U-shape of the LAC curve is the result of operation of returns to scale, i.e., a firm experiences increasing returns to scale (i.e. diminishing cost) in the beginning followed by constant returns to scale and then by diminishing returns to scale (i.e. increasing cost) (see Q. 3.7). It is explained below. Remember that increasing returns means decreasing costs and diminishing returns imply increasing costs. That is why law of diminishing returns is called as law of increasing costs and law of diminishing returns is called as law of increasing costs.

(i) It is because of incr

Whenever Charley enters the Grand Central Station, he finds new corridors, stair cases and tunnels. He finds the station like a huge tree, which keeps on sprea
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Industries can be classified under the following types:-
1. Primary IndustryPrimary industry includes all those activities, which are connected with the extract
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Solution:
Molality (m) is defined as the number of moles of the solute per kilogram (kg) of the solvent and is expressed as:
= Moles of soul
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Regular exercises have following effects on respiratory system:
(i) Increase in size of lungs and chest: When a person performs exercise regularly, he requir
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