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3 years ago

More light is transmitted through a translucent material than through an opaque material. True or false?

Physics

2 answers:

nlexa [21]3 years ago

7 0

true should be right if it is

pantera1 [17]3 years ago

3 0

True, More light is transmitted through a translucent material than through an opaque material.

Answer: A

Explanation

Depending on the ability to pass the light through the body, materials can be classified into transparent material, translucent material and opaque material.

Transparent materials are those that are able to pass most of the light hitting it. Examples are water, glass etc.

Translucent materials are able to pass some portion of light through them. Example - plastic.

Opaque materials are those in which light will not pass through. Majority of the light is reflected or absorbed. Example- wood.

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15 points! Middle School Physical Science.

solniwko [45]

Answer:

1st t=d/s

2nd s=d/t

5th d=st

are all of the variations I came up with

Explanation:

the original formula for speed is s=d/t

then, I created a ratio of s/1=d/t and cross multiplied to find d=st

then, I isolated the t in one side by dividing by s on both sides.

6 0

3 years ago

Read 2 more answers

Can someone please help, ty!!<br> Will mark brainliest.

Vinil7 [7]

Answer:

#1 ( Balanced ) ( Rest)

#2 ( Unbalanced) ( Accelerating)

Explanation:

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3 years ago

heat engine operating between 100 °C and 700 °C has an efficiency equal to 40% of the maximum theoretical efficiency. How much e

ipn [44]

Answer:

Explanation:

Theoretical efficiency = T₁ - T₂ / T₁ where T₁ and T₂ is absolute temperature of hot and cold end of the heat engine.

= 600 / (273 + 700 )

= 600 / 973

= .6166

operating efficiency = 40% of .6166

= .4 x .6166

= .2466 = 24.66 %

efficiency = work output / heat input

= 5000 / heat input = .2466

heat input = 5000 / .2466

= 20275.75 J .

HEAT EXTRACED = 20275.75 J.

3 0

3 years ago

The magnitude R, measured on the Richter scale, of an earthquake of intensity I is defined as Requalslog StartFraction Upper I

lapo4ka [179]

Answer:

R = 6.8

Explanation:

Given data:

Richter scale $R = log(\frac{I}{I_o})$

where R - magnitude of earthquake of Richter scale

I - quake's intensity $= 10^{6.8} \times I_o$

$I_o$ - minimum intensity earthquake

Plugging all information in the equation to get Richter's scale

$R = log(\frac{10^{6.8} \times I_o}{I_o})$

$R = log(10^{6.8})$

R = 6.8

6 0

3 years ago

A heating coil inside an electric kettle delivers 2.2 kW of electrical power to the water in the kettle. How long will it take t

Otrada [13]

Answer:

0.04s

Explanation:

Specific heat of water c = 4.186J/g.C

The heat energy it would take to heat up 0.5 kg of water from 30C to 72 C is

$E = mc\Delta T = 0.5 * 4.186 * (72 - 30) = 87.9 J$

If the power of the electric kettle is 2.2kW (or 2200W) and suppose the work efficiency is 100%, then the time it takes to transfer that power is

$t = \frac{E}{P} = \frac{87.9}{2200} = 0.04 s$

8 0

3 years ago