The best answer is d - while comparing the data with the hypothesis. The scientific method defines the correct steps as:
1. observation - use of the five senses to learn about something.
2. Question - where you raise questions based on your observation.
3. Hypothesis - a prediction or guess of what the answer to the question is.
4. Method - point where you test the hypothesis by carrying out an experiment.
5. Results / data - this is what happened after each step of the experiment.
6. Conclusion - where the results of the experiment are discussed and it is summarized if the prediction was true or not, based on data from the results.
Electricity and magnetism can be considered as part of the same phenomenon because both are generated by electromagnetic forces.
<h3>What is electricity?</h3>
Electricity is the movement or flow of negatively charged electrons through a suitable conductor where a charge is applied.
Moreover, magnetism is a natural phenomenon caused by the generation/movement of electric charges.
In conclusion, electricity and magnetism can be considered as part of the same phenomenon because both are generated by electromagnetic forces.
Learn more on electricity and magnetism here:
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Answer:
4 electric pole is the answer.
.Answer:
491.4 nm
Explanation:
The distance between central and first maxima is,

And the distance between screen abnd grating is,

Now the angle can be find as,

Now the grating distance is,

Now with m=1 condition will become,

So,

Therefore the wavelength of laser light is 491.4 nm.
Answer:
1.11 dioptre
Explanation:
= Distance of the image = - (125 - 2) = - 123 cm
= Distance of the object = 54 - 2 = 52 cm
= Focal length of the lens
Using the equation


cm
Power of the lens is given as


Dioptre