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Light strikes a mirror at 20 degrees to the normal what will the angle of reflection be?
The reflection angle will also be 20 degrees from the normal on the other side of the normal in the same plane.
When the angle of refraction is 20 degrees what is the angle of incidence?
To find the angle of incidence when the angle of refraction is 20 degrees, you can use the formula for Snell's Law: n1 sin(θ1) = n2 sin(θ2). Given that n1 and n2 are the refractive indices of the media and we know θ2 (20 degrees), you can calculate θ1.
Who gave laws of reflection?
Specular reflection is the mirror-like reflection of light(or of other kinds of wave) from a surface, in which light from a single incoming direction (a ray) is reflected into a single outgoing direction. Such behavior is described by the law of reflection, which states that the direction of incoming light (the incident ray), and the direction of outgoing light reflected (the reflected ray) make the same angle with respect to the surface normal, thus the angle of incidence equals the angle of reflection ( in the figure), and that the incident, normal, and reflected directions are coplanar. This behavior was first discovered through careful observation and measurement by Hero of Alexandria (AD c. 10-70).
Which is higher 10 degrees or 20 degrees?
20 degrees centigrade.
A reflected ray in a mirror makes an angle of 20 and deg with the incident ray. when the mirror is rotated 15 and deg what angle will the reflected ray now make with the incident ray?
The angle between the incident ray and the reflected ray is equal to the angle between the incident ray and the normal. When the mirror is rotated, the normal also rotates by the same angle. Therefore, the angle between the incident ray and the reflected ray will still be 20 degrees.
Light strikes a mirror at 20 degrees to the normal what will the angle of reflection be?
The reflection angle will also be 20 degrees from the normal on the other side of the normal in the same plane.
What angle is 20 degrees?
An angle whose measure is 20 degrees!
How do you draw an angle of 20 degrees with a compass and a ruler?
to construct an angle of 20 degrees all you have to do is to trisect an angle of 60degrees
What is the supplement of 20 degrees?
The supplement of an angle is found by subtracting the angle from 180 degrees. For 20 degrees, the calculation would be 180 - 20 = 160 degrees. Therefore, the supplement of 20 degrees is 160 degrees.
What is the reference angle of negative 200 degrees?
To find the reference angle for negative 200 degrees, first convert it to a positive angle by adding 360 degrees, resulting in 160 degrees. The reference angle is then found by subtracting this angle from 180 degrees, yielding a reference angle of 20 degrees. Thus, the reference angle for negative 200 degrees is 20 degrees.
If angle A in a triangle is 60 degrees and angle B is 20 degrees what is the degree of angle C?
100
What type of triangle has an angle that measures 20 degrees and an angle that measures ninety degrees?
It is a right angle triangle and its 3rd angle is 70 degrees.
Angle measures 17 degrees what is the measurement of the angle?
Between 15 and 20 degrees...
What is the measure of an interior angle with an exterior angle o 20 degrees?
It is: 160 degrees
The exterior angle of a base angle in an isosceles triangle is 100 degrees What is the measure of the vertex angle?
20 degrees
What is the measure of an angle in a regular 18-gon?
Exterior angle = 20 degrees Interior angle = 160 degrees
What is the complimentary measure of an angle to a 20 degree angle?
90 - 20 = 70 degrees.
