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dangina [55]
3 years ago
6

Heisenberg's Uncertainty Principle states that we cannot simultaneously measure both the position and momentum of an object bett

er than a certain accuracy. This limitation is not a consequence of imperfect technology, but is a fundamental law. It applies to all objects -- photons, electrons, baseballs, etc.. A highly monochromatic, continuous beam of laser light of wavelength 470 nm passes through an electro-optic shutter. The shutter opens and closes in a time interval of Δt = 90 ps . After passing through the shutter to what uncertainty, Δx, have the photons been localized?
Physics
1 answer:
ankoles [38]3 years ago
5 0

For this specific problem, the photons have been localized to D<span>x = </span>0.027m uncertainty. I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.

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The state of matter that has low thermal expansion​
leonid [27]

Answer:

Matter

Explanation:

Because it is solid

6 0
3 years ago
Read 2 more answers
What process changes a liquid to a solid?
kipiarov [429]

Answer:

D. Freezing?

Explanation:

Get water, put it in the freezer, turns into ice after a few hours.

5 0
2 years ago
A 9.0-V battery (with nonzero resistance) and switch are connected in series across the primary coil of a transformer. The secon
qwelly [4]

Answer:

N₂ / N₁ = 13.3

Explanation:

A transformer is a system that induces a voltage in the secondary due to the variation of voltage in the primary, the ratio of voltages is determined by the expression

           ΔV₂ = N₂ /N₁  ΔV₁

where ΔV₂ and ΔV₁ are the voltage in the secondary and primary respectively and N is the number of windings on each side.

In this case, they indicate that the primary voltage is 9.0 V and the secondary voltage is 120 V

therefore we calculate the winding ratio

         ΔV₂ /ΔV₁ = N₂ / N₁

         N₂ / N₁ = 120/9

         N₂ / N₁ = 13.3

s good clarify that in transformers the voltage must be alternating (AC)

3 0
3 years ago
What must the charge (sign and magnitude) of a particle of mass 1.45 g be for it to remain stationary when placed in a downward-
sergey [27]

q = -21 * 10^{-6} C

<h3>What is Free-fall acceleration?</h3>

The acceleration is constant and equal to the gravitational acceleration g which is 9.8 m/s at sea level on the Earth.

As we know that charge and its sign that remains in equilibrium is under gravity must be such that it will balance the gravitational force by electric force,

mg =qE

1.45 * 10^{-3}(9.80)=q(600)\\\\q = 21 *10^{6} C\\\\

and its sign must be negative so that it will have upward electric force

so it is

q = -21 * 10^{-6} C

The charge of a particle of mass is -21 * 10^{-6} C

Learn more about Free-fall acceleration: brainly.com/question/2165771

#SPJ1

8 0
2 years ago
An internal combustion engine does 356 kJ of useful work using 946 kJ of thermal energy from the gasoline consumed in the engine
OlgaM077 [116]

Answer:

The efficiency of this engine is 37.63 %.

Explanation:

Given;

useful output work done by the combustion engine, = 356 kJ

input work, = 946 kJ

The efficiency of the combustion engine is calculated as;

Efficiency = \frac{0utput \ work}{1nput \ work} \times 100\%\\\\Efficiency = \frac{356 \ \times \ 10^3}{946 \ \times \ 10^3} \times 100\%\\\\Efficiency = 37.63 \ \%

Therefore, the efficiency of this engine is 37.63 %.

3 0
2 years ago
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