Answer:
A. Measurements are made with tools; observations are not
Explanation:
Measurement: <em>the assignment of numbers or codes according to prior-set rules. </em>
Observation: <em>data from an individual study subject or sampled unit.</em>
Measurement error: <em>differences between "true" answers and what appears on data collection instruments</em>
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plz mark brainleist
Answer: The correct answer is an emission line spectrum.
Explanation:
When the electrons are excited to the higher energy level, the energy is absorbed in this case.
When the electrons in the atom step down to lower energy levels in a thin cloud of hot gas then the radiation will emit.
The electron will lose energy in this case in the form of radiation. There will be an emission line spectrum.
Answer:
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It is a particle detector used for detecting ionizing radiation.
Answer:
0.0956431731568 J
Explanation:
N = Number of turns = 1
r = Radius = 18 cm
A = Area = 

Induced voltage is given by

Resistance is

Power is given by

Energy

The average electrical energy dissipated is 0.0956431731568 J