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ira [324]
1 year ago
7

If an object is between a concave mirror and its focal point, the image will be(A) real and smaller than the object.(B) real and

larger than the object.(C) virtual and smaller than the object.(D) virtual and larger than the object.
Physics
1 answer:
shepuryov [24]1 year ago
4 0

(D) virtual and larger than the object.

Explanation

Concave mirror is spherical mirror which has its reflecting surface bulging inwards

. The focal length of a mirror is the distance between the pole of the mirror and a point where all the reflected rays merge,The focal point and the centre of curvature of the concave mirror lie in front of the mirror

so,if an object is located between the focal point and a concave mirror we can use the ray diagram to check this,

.

, the image produced will be virtual , and longer than the object

so, the answer is

(D) virtual and larger than the object.

I hope this helps you

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Normal atmospheric pressure is 1.013 105 Pa. The approach of a storm causes the height of a mercury barometer to drop by 27.1 mm
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Answer:

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Explanation:

Given that,

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p = \rho g h

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h =\dfrac{1.013\times10^{5}}{13.59\times10^{3}\times9.8}

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h''=0.76-0.027

h''=0.733\ m

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Using formula of atmospheric pressure

P=\rho g h

Put the value into the formula

P= 13.59\times10^{3}\times9.8\times0.733

P=0.97622\times10^{5}\ Pa

Hence, The atmospheric pressure is 0.97622\times10^{5}\ Pa.

7 0
2 years ago
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is that all the question?

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1 year ago
Question 1
ella [17]
I think the answer maybe C
5 0
3 years ago
Read 2 more answers
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