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3 years ago

Where should you place an object on the principal axis in front of a convex mirror to get a virtual, upright, and smaller image?

Physics

2 answers:

Taya2010 [7]3 years ago

8 0

Explanation :

Convex mirror is a spherical mirror in which the reflecting surface bulges towards the light source. There are only two cases for the image formation in a convex mirror.

(1) When an object is placed at infinity, Image will form at the focus behind the mirror. A virtual, erect and point sized image is formed.

(2) When an object is placed anywhere on the principal axis, the image will form between P and F behind the mirror. This forms a virtual, erect and diminished image.

Hence, correct option is ''anywhere on the principal axis''

dalvyx [7]3 years ago

5 0

By definition, a convex mirror is a type of an optical mirror wherein its mirror surface bulges at the front. In addition to that, it is contrary to the concave mirror wherein the mirror gets bulged inward. It is furthermore said that we can get a virtual, upright, and smaller image in a convex mirror if it is placed anywhere in the principal axis.

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Daniel [21]

This question involves the concepts of Wein's displacement law and characteristic wavelength.

The blackbody temperature will be "3.22 x 10⁵ k".

<h3>WEIN'S DISPLACEMENT LAW</h3>

According to Wein's displacement law,

$\lambda_{max} T = c\\\\T=\frac{c}{\lambda_{max}}$

where,

$\lambda_{max}$ = characteristic wavelength = 9 μm = 9 x 10⁻⁹ m
T = temperature = ?
c = Wein's displacment constant = 2.897 x 10⁻³ m.k

Therefore,

$T=\frac{2.897\ x\ 10^{-3}\ m.k}{9\ x\ 10^{-9}\ m}$

T = 3.22 x 10⁵ k

Learn more about characteristic wavelength here:

brainly.com/question/14650107

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3 years ago

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4vir4ik [10]

<h3>Given :-</h3>

The mass of the body is doubled
The height of the body is constant

<h3>Solution :- </h3>

We know that ,

Potential energy = mgh

Therefore,

We can say that,

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According to the question,

PE of the body = 2m * g * h. ...eq( I)

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madam [21]

Answer:

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Explanation:

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So kinetic energy is proportional to square of velocity.

Velocity is maximum when the player hits the ball.

So kinetic energy is maximum when the player hits the ball.

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