Which word in the sentence is a gerund?
2 answers:
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A & B
Observe the path of the light ray as it passes through the lenses as shown in the attached images. Concave lenses diverge light rays while the convex lens converges the light rays.
Explanation:
Real images are formed where the rays converge, a property of images by convex lenses. Convex lenses can be used to magnify objects. If the image occurs before the focal point of the lens then the image will be upright but smaller. The images inverts and gets bigger past the focal point.
Virtual images are property of concave lenses. These images appear closer but smaller than the real object.
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Answer:
The initial and final temperatures of the gas is 300 K and 600 K.
Explanation:
Given that,
Entropy of the gas = 14.41 J/K
Absorb gas = 6236 J
We know that,
At constant pressure,
Put the value into the formula
...(I)
We need to calculate the initial and final temperatures of the gas
Using formula of energy
Put the value into the formula
Put the value of T₂
Put the value of T₁ in equation (I)
Hence, The initial and final temperatures of the gas is 300 K and 600 K.