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tankabanditka [31]
2 years ago
14

14. Reflected ray 30° Fig 6.31 reflection on a plane mirror. In Fig 6.31 the angle between the plane mirror and the incident ray

is 30°. Find the a. Angle of incidence b. Angle of reflection Incident ray​

Physics
1 answer:
Mice21 [21]2 years ago
5 0
The answer is acute soft traingle
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2 years ago
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miss Akunina [59]
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6 0
4 years ago
a sphere with a radius of 8cm carries a uniform volume charge density of 1.5 find the magnitude of the electric field
gladu [14]

Answer:

E = 5.65 x 10¹⁰ N/C

Explanation:

First we need to find the total charge on the sphere. So, we use the following formula for that purpose:

q = \sigma V\\

where,

q = total charge on sphere

V = Volume of Sphere = \frac{4}{3} \pi r^3 = \frac{4}{3} \pi (0.08\ m)^3 =  0.335\ m^3

σ = volume charge density = 1.5 C/m³

Therefore,

q = (0.335\ m^3)(1.5\ C/m^3) \\q = 0.502 C

Now, we use the following formula to find the electric field due to this charged sphere:

E = \frac{kq}{r^2}

where.

E  = Electric Field Magnitude = ?

k = Coulomb's Constant = 9 x 10⁹ N.m²/C²

r = radius of sphere = 8 cm = 0.08 m

Therefore,

E = \frac{(9\ x\ 10^9\ Nm^2/C^2)(0.502 C)}{(0.08\ m)^2}\\\\

<u>E = 5.65 x 10¹⁰ N/C</u>

5 0
3 years ago
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AfilCa [17]

Answer:

The Fizeau–Foucault apparatus is either of two types of instrument historically used to measure the speed of light. The conflation of the two instrument types arises in part because Hippolyte Fizeau and Léon Foucault had originally been friends and collaborators.

Explanation:

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3 years ago
The graph depicts the velocity and times of Elan and Anna during a race.
vovangra [49]

Answer: C

Explanation:

3 0
3 years ago
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