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omeli [17]
2 years ago
15

What is measurement ?...​

Physics
2 answers:
mariarad [96]2 years ago
3 0

Answer:

the size, length, or amount of something, as established by measuring.

qaws [65]2 years ago
3 0
The determination of the size or magnitude of something. By comparing that unknown quantity with some standard quantity of equal nature, known as measurement unit.
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suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity. If the distance be
ehidna [41]
Use the Inverse square law, Intensity (I)<span> of a light </span>is inversely proportional to the square of the distance(d).

I=1/(d*d)

Let Intensity for lamp 1 is L1 distance be D1 so on, L2 D2 for Intensity for lamp 2 and its distance.

L1/L2=(D2*D2)/(D1*D1)

L1/15=(200*200)/(400*400)
L1=15*0.25
L1=3.75 <span>candela</span>
3 0
3 years ago
A 20 N south magnetic force pushes a charged particle traveling with a velocity of 4 m/s west through a 5 T magnetic field point
PtichkaEL [24]

Answer:

<u>Charge</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>particle</u><u> </u><u>is</u><u> </u><u>1</u><u> </u><u>coulomb</u><u>.</u>

Explanation:

Force, F:

{ \bf{F=BeV}}

F is magnetic force.

B is the magnetic flux density.

e is the charge of the particle.

V is the velocity

{ \sf{20 = (5 \times e \times 4)}} \\ { \sf{20e = 20}} \\ { \sf{e = 1 \: coulomb}}

8 0
3 years ago
What is cocanve mirror?​
pochemuha

Answer:

A mirror that has a reflecting surface that is recessed inward is called concave mirror

8 0
3 years ago
Read 2 more answers
A piston-cylinder arrangement contains air modeled as an ideal gas with constant specific heat ration of k =1.4. The air undergo
loris [4]

Answer:

Pish posh idk xD im busy but ill help in a second

Explanation:

4 0
3 years ago
When the speed and direction of an object remain the same, what happens to its velocity?
Paladinen [302]

Answer: Velocity is the vector, which means it has both direction and magnitude . Velocity is defined as the speed of something in a given direction .

Explanation:

4 0
3 years ago
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