PHYSICS HIGH SCHOOL

If the overall magnification of a series of two lenses is 30x, and one lens magnifies 5x, what is the magnification of the other lens? Calculate the total magnification if the 5x lens is replaced by a 7x lens

Answers

Answer 1

Answer:

Answer:

Explanation:

Given

Overall magnification $M=30 x$

One lens magnification is $5 x$

suppose the magnification of other lens is $y$

A compound lens is made up of series of lenses either of same or of different magnification so

$y$ is given by

$y=(30 x)/(5 x)=6 x$

If $5 x$ lens is replaced by $7 x$ lens then total magnification is

$7 x* 6 x=42 x$

Answer 2

Answer:

Final answer:

The second lens has a magnification of 6x. If the 5x lens is replaced by a 7x lens, the new total magnification would be 42x.

Explanation:

To find the magnification of the second lens, we need to know that the overall magnification of a system is the product of the individual magnifications of its elements. If the overall magnification is 30x and one lens magnifies 5x, the magnification of the other lens can be calculated by dividing 30x by 5x, giving us a magnification of 6x for the other lens.

If the 5x lens is replaced by a 7x lens, we can calculate the new overall magnification by multiplying the magnification of the two lenses together. So, 6x (from the other unchanged lens) multiplied by 7x gives us an overall magnification of 42x.

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Why the Higg's Boson was only named after Peter Higgs?

A strand of 10 lights is plugged into an outlet. How can you determine if the lights are connected in series or parallel?A) Unscrew one light. If the other lights stay on, it's a series circuit.
B) Unplug the strand. If the first light stays on, it's a series circuit.
C) Unscrew one light. If the other lights turn off, it's a series circuit.
D) Cut the strand in half. If the plugged in half stays on, it's a series circuit.

Answers

series circuits, the current runs through all of them and they are conncted by the bulbs, so if you unscrew one, all light turn off

paralell, they are kinda independent, if you unscrew one, nothing happens to others

look at options
A. unscrew 1 light, if stay on, it's series, false, that's paralell

B. unplug, if stay on (then you have pozessed lights)

C. unsrew light, if stays on, it's parlell RIGHT ANSWER

D. cut strand in half (will cut power) if the plugged half stays on, then (pozessed circuit)

answer is C

What is the potential energy of a 2-kilogram potted plant that is on a 1 meter-high plant stand?

Answers

Potential energy is the energy stored by an object due to its position or arrangement.

The potential energy of the potted plant is 19.6 joule.

What is the potential energy?

Potential energy is the energy stored by an object due to its position or arrangement.

It can be given as,

$U=mgh$

Here, $m$ is the mass of the object, $g$ is the gravitational force experienced by the object and $h$ is the height.

Given information-

The mass of the potted plant is 2 kilogram.

The height of the plant stand is 1 meter.

The value of the gravity force is 9.81 meter per second squared on the surface of the earth.

To find the potential energy put the values in the above formula as,

$U=2*9.81*1\nU=19.6$

Hence the potential energy of the potted plant is 19.6 joule.

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Final answer:

The potential energy of a 2-kilogram potted plant on a 1 meter-high plant stand is 19.6 J.

Explanation:

The potential energy of a 2-kilogram potted plant on a 1 meter-high plant stand can be calculated using the gravitational potential energy formula:

PE = mgh

Where:

PE is the potential energy
m is the mass (2 kg)
g is the acceleration due to gravity (9.8 m/s²)
h is the height (1 meter)

Substituting the values into the formula:

PE = (2 kg)(9.8 m/s²)(1 meter) = 19.6 J

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Which of these are terrestrial planets? Select all that apply.a. Mars
b. Earth
c. Venus
d. Jupiter E. Mercury F. Neptune

Answers

The answers to the question above would be letters a, b, c, and d. The terrestrial planets are those that are close to the sun, namely, Mercury, Venus, Earth, and Mars. The others are known as the gas giants since they have a thick atmosphere and are considerably cold.

Answer:

a. Mars

b. Earth

c. Venus

Explanation:

Terrestrial planets are defined as planets which are formed by silicate. An important characteristic is that these planets have a solid surface. On the other hand, there are gaseous planets, which are bigger and more separated of the Sun.

In our Solar system, there are 4 terrestrial planets, which are Mercury, Venus, Earth, and Mars. Notice that they are the inner planets of the system.

So, in this case, the right chice is a. Mars, b. Earth and c. Venus. All three are terrestrial planets, that is, they have a rock solid surface.

Sebuah bis bergerak dengan kecepatan 120 meter perdetik selama 10 menit hitunglah jarak yang ditempuh oleh bis tersebut