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bekas [8.4K]
3 years ago
5

Which of the following would not be useful in trying to correct spherical aberration a. using a combination lens made up of lens

es, each of which has a different index of refraction
b. using a circular stop to block out the outside rays of light
c. using proper grinding when an object is at a specific distance from the lens
d. using a diaphragm to block outside rays of light
Physics
2 answers:
Viefleur [7K]3 years ago
8 0
A. Using a combination lens made up of lenses, each of which has a different index of refraction. Is the correct answer.
solong [7]3 years ago
4 0
I am positive it is A took the test 
  can i have brainliest?
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16g 2g/cm3 what is the Volume
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Answer:

V =  1.25E-7 cubic meter

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3 years ago
A 12.0kg microwave oven is pushed 14.0m up the sloping surface of a loading ramp inclined at an angle 37 degrees above the horiz
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Answer:

Answered

Explanation:

a) What is the work done on the oven by the force F?

W = F * x

W = 120 N * (14.0 cos(37))

<<<< (x component)

W = 1341.71

b) F_f=\mu_k N

F_f=0.25\times12\times9.8

= 29.4 N

W_f= F_f\times x

W_f= 29.0\times 14 cos(37)

W_f= 328.72 J = 329 J

c) increase in the internal energy

U_2 = mgh

= 12*9.81*14sin(37)

= 991 J

d) the increase in oven's kinetic energy

U_1 + K_1 + W_other = U_2 + K_2

0 + 0 + (W_F - W_f ) = U_2 + K_2

1341.71 J - 329 J - 991 J = K_2

K_2 = 21.71 J

e) F - F_f = ma

(120N - 29.4N ) / 12.0kg = a

a = 7.55m/s^2

vf^2 = v0^2 + 2ax

vf^2 = 2(7.55m/s)(14.0m)  

V_f = 14.5396m/s

K = 1/2(mv^2)

K = 1/2(12.0kg)(14.5396m/s)

K = 87.238J

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3 years ago
A transverse wave on a string is described by the wave function
fgiga [73]

The acceleration of the given wave is 2.5m/s^2

<h3>Wave property</h3>

The standard wave function is expressed according to the equation

y = Asin(2πft+2πx/λ)

where

λ is the wave length

Given the equation below

y = 0.120 sin((π/8)x + 4πt)

Compare both equation to have:

(π/8)x = 2πx/λ

8 = 2/λ

λ = 2/8

λ = 1/4

λ = 0.25m

For the frequency

Compare both equation to have:

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4/2 = 2f/2

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Speed = fλ

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Learn more on wave function here: brainly.com/question/25699025

#SPJ4

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2 years ago
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