GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
To test a scientific hypothesis you would
A
set up many experiments and look at the results.
B
use the results of only the experiments that confirm the hypothesis.
C
set up an experiment and look at the results.
D
find the best result and report only that result.
E
perform any physics experiment and look at the results.
Explanation: 

Detailed explanation-1: -To test the hypothesis, we need to make an observation or perform an experiment associated with the prediction.

Detailed explanation-2: -How are hypotheses tested? When possible, scientists test their hypotheses using controlled experiments. A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant.

Detailed explanation-3: -After many experiments provide results supporting a hypothesis, the hypothesis becomes a theory. Theories remain theories forever, and are constantly being retested with every experiment and observation. Theories can never become fact or law.

Detailed explanation-4: -Step 1: State your null and alternate hypothesis. Step 2: Collect data. Step 3: Perform a statistical test. Step 4: Decide whether to reject or fail to reject your null hypothesis. Step 5: Present your findings. 08-Nov-2019

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