1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
love history [14]
4 years ago
11

A beam of light, traveling in air, strikes a plate of transparent material at an angle of incidence of 56.0°. It is observed tha

t the reflected and refracted beams form an angle of 90.0°. What is the index of refraction of this material?
Physics
1 answer:
tankabanditka [31]4 years ago
3 0

Answer:

the index of refraction for the transparent material is 1.48

Explanation:

let n1 = 1.0 be the refractive index of air and n2 be the refractive index of the trasnparent material.

then:

Snell's Law state that:

n1×sin(∅1) = n2×sin(∅2)

where ∅1 = 56.0° is the angle of incidence and  ∅2 = 90 - 56.0 = 34° be the angle refraction.

n1×sin(∅1) = n2×sin(∅2)

          n2 = n1×sin(∅1)/sin(∅2)

               =  (1.0)×sin(56.0°)/sin(34.0°)

               =  1.48

Therefore, the index of refraction for the transparent material is 1.48

You might be interested in
PLEASE HELP I NEED THE CORRECT ANSWER TODAY
Natalija [7]

Answer:

The most common oxidation numbers for a given element

5 0
3 years ago
Pick an activity you enjoy, such as running or riding a scooter, and describe how newton's laws apply to that activity.
deff fn [24]
I like playing basketball. So I'm the object in motion. Until an unbalanced force comes and hits me I fall and stay at rest. 
5 0
4 years ago
Read 2 more answers
We have a 10kg ball and a 15kg ball. We drop them from the top of the science building while objects are at rest and there is no
Mashcka [7]
They will hit the ground at the same time, as mass is negligible when calculating the acceleration of gravity when there is no air resistance
3 0
3 years ago
a) ¿En qué posición es mínima la magnitud de la fuerza sobre la masa de un sistema masa-resorte? 1) x 0, 2) x A o 3) x A. ¿Por q
Tatiana [17]

Answer:

a) the correct answer is 1 , b) x=0   F=0, a=0

x= 0.050    F= -7.5 N,  a= -15 m/s²

x= 0.150     F= 22.5 N,  a=- 45 m/s²

Explanation:

a) In a mass - spring system the force is given by the Hooke force,

          F = - k x

Analyzing this equation we see that the outside is proportional to the elongation from the equilibrium position, therefore the force is zero when the spring is in its equilibrium position

the correct answer is 1

b) we assume that the given values ​​are from the equilibrium position of the spring.

Let's calculate the force

x = 0

      F = 0

x = 0.050

      F = - 150 0.050

      F = - 7.50 N

x = 0.150

      F = - 150 0.150

      F = - 22.5 N

let's use Newton's second law to find the acceleration

      F = m a

      a = F / m

x = 0 m

      a = 0

x = 0.050 m

      a = -7.50 / 0.50

      a = - 15 m / s²

x = 0.150 m

      a = - 22.5 / 0.50

      a = - 45 m/s²

TRASLATE

a) En un sistema masa – resorte  la fuerza es dada por la fuerza de Hoke,  

          F= - k x

analizando esta ecuación vemos que la fuera es proporcional a la elongación desde la posición de equilibrio, por lo tanto la fuerza es cero cuando el resorte esta en su posición de equilibrio

la respuesta correcta es  1

b)suponemos que los valores dados son desde la posición de equilibrio del resorte.

Calculemos la fuerza  

x=0  

              F= 0

x=0.050  

              F = - 150 0.050

              F= - 7.50 N

x= 0.150  

                F= - 150 0.150

                F= - 22.5 N

usemos la segunda ley de Newton para encontrar la aceleración

          F = m a

          a = F/m

x =0  m

        a = 0

x= 0.050 m

         a = -7.50/ 0.50

          a =- 15 m/s²

x= 0.150 m

          a= - 22.5 / 0.50

          a= - 45 m/s²

7 0
4 years ago
Question 1 (1 point)
Dmitry [639]

1). trajectory

2). person sitting in a chair

3). 490 meters

4). 65 m/s

5). False.  The projectile's displacement, velocity, and acceleration have vertical and horizontal components, but the projectile doesn't.

6). False

7). The vertical component of a projectile doesn't change due to gravity, but the vertical components of its displacement, velocity, and acceleration do.

The vertical components do NOT equal the horizontal components.

8). Decreasing if you include the effects of air resistance.  Constant if you don't.  Gravity has no effect on horizontal velocity.

9). We can't see the simulation.  But if the projectile doesn't have jets on it, then as it travels upward, its vertical velocity must decrease, because gravity is trying to not let it get away.

10). We can't see the simulation.  But if the projectile is traveling downward, we would call that "falling", and its vertical velocity must increase, because gravity is pulling it downward.

6 0
4 years ago
Read 2 more answers
Other questions:
  • Two elements in Period 4 that are most similar to Cobalt?
    8·1 answer
  • The burning of fossil fuels releases gas into the air, the gas is called?
    6·1 answer
  • Help me to answer my questions please
    14·1 answer
  • You drop a rock off the top of a building. It takes 4.5 s to hit the ground. How tall is
    6·1 answer
  • Which method of separation of mixtures is vital to life on earth?
    13·2 answers
  • When a solid turns to a gas, does it have to go through the liquid state first
    12·2 answers
  • A computational model predicts the maximum potential energy a roller coaster car can have given its mass and its speed at the lo
    14·1 answer
  • A 16 kg object cuts 4 km in 25 minutes, find the applied force on the object?
    5·1 answer
  • A science student observes three lines in an emission spectrum, one red, one yellow, and one blue. Which one was caused by an el
    5·1 answer
  • A book rests on a wooden table is an example of
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!