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aev [14]
3 years ago
8

Which type of electromagnetic radiation cannot be focused?

Physics
2 answers:
Irina18 [472]3 years ago
7 0
The answer is A. Hope this helps. :)
dalvyx [7]3 years ago
5 0

(A)  Gamma rays

Focussing is a process in which a beam of light is passed and concentrated on the particular point.

Gamma rays are the type of elecromagnetic radiation that cannot of focused. Gamma rays has high frequency and also are quite energetic due to which when the beam of light is passed through it, it becomes too difficult to focus on a particular point as they interacts strongly with the matter and destroys itself. Hence, Gamma rays are not easily focused.

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Which of the following is associated with Earth’s lithosphere?
jeka57 [31]

Answer:

crust, and upper mantle

Explanation:

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4 0
3 years ago
In which situation is no work considered to be done by a force?
Ber [7]

Answer:

O B. when the angle between the force and displacement is 90°

Explanation:

<h3>work defined as   w = f cos Ф * d. </h3><h3>work  can only be done if object moves(displacement) in the direction of force. now a quick one. if you since the varrious angles into the cosine, you would see that Cos 90 will give zero which implies that no work is done. Again, angle means it is perpendicular and so it is not in the direction of force.</h3>
7 0
3 years ago
Whats the differnece between a series circuit and a parallel circuit<br><br>​
Romashka-Z-Leto [24]

Answer:

A series circuit has a direct flow of current and because of that, the current is constant throughout the circuit, while the voltage is what changes.. In a parallel circuit, the current travels through multiple paths, so the current is divided among those paths. The voltage, on the other hand, is constant.

Explanation:

Definition of series and parallel circuits.

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7 0
3 years ago
What is one piece of evidence that does NOT support the Big Bang Theory?​
svetoff [14.1K]

Answer:

The redshift data does not support the Big Bang Theory and  without the redshift interpretation favored by the Big bang, there is  no Big Bang.  

Edwin Hubble did not believe that the redshift indicated  expansion. Hubble saw the redshift as an hitherto unrecognized  principle of nature.  The redshift is the effect of centripetal force mv2/r = mv2/ct =  v/c(mv/t) = v/c(p/t)= (v/c)m

The unrecognized principle of nature is the refraction effect of  gravity on light.  

n=c/v or v= c/n.

The Universe is older than 13.7 Billion years, likely around  16.5 billion years.  

The proper law of Gravity is W = -mGM/r + cmV = -mu/r + cP where  cP is the so-called "Dark Energy", or the actual vector Momentum  Energy cmV= cP. This is The Quaternion Universe with scalar and  vector energy!

Hope this helps!

3 0
3 years ago
a farmer lifts a bale of hay that is 12m off the ground . If he uses a force of 350 n, how much work does the farmer do?
hjlf

Answer:

4200 Joules

Explanation:

Work done =force x distance

From the question , we’re given f =350N ,

d = 12m

Using the above formula, we have

Workdone = 350 x 12

= 4200 Joules

5 0
3 years ago
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