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Physics Mcqs Quiz Online Test 38

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Question 1

Radiation With Wavelength Longer Than Red Lights______

Score: 1 of 1
Your answerChoice

Ultraviolet Rays

X-Rays

Selected

Infra Red Radiation

Visible Radiation

Question 2

Radiations Are Used For The Treatment Of Skin Of A Patient Is______

Score: 0 of 1
Your answerChoice

Gamma Rays

Beta Rays

Selected

X-Rays

Alpha Rays

Question 3

Radioactive Decay Obeys Which One Of The Following Law ?

Score: 0 of 1
Your answerChoice

/2

Selected

No=N(1+Eλt)

N=Noe-Λt

N=Noeλt

Question 4

Radioactive Materials Can Be Identified By Measuring Their______

Score: 1 of 1
Your answerChoice
Selected

Half Life

Hardness

Mass

Density

Question 5

Radioactivity Is A ______ (A) Spontaneous Activity (B) Chemical Property______

Score: 0 of 1
Your answerChoice

A B & C

C & A

B & C

Selected

A & B

Question 6

Random Errors Can Be Reduced By______

Score: 0 of 1
Your answerChoice

Taking Mean Of Several Measurements

Taking Zero Correction

Selected

All Methods Explained In A, B And C

Comparing The Instrument With Another More Accurate One

Question 7

Ratio Of The Weight Of H-Atom To That Of An Electron Is Approximately______

Score: 1 of 1
Your answerChoice

18.336

Selected

1836

183.6

0

Question 8

Reciprocal Of Resistivity Is Called______

Score: 1 of 1
Your answerChoice

Flexibility

Resistance

Selected

Conductivity

Inductance

Question 9

Reflecting Mirrors In Laser Is Used To______

Score: 0 of 1
Your answerChoice

Further Stimulation

Lasing More

For Producing More Energetic Lasers

Selected

All

Question 10

Resistance Of A Conductor Depends Upon______

Score: 1 of 1
Your answerChoice
Selected

All Of Above

Physical State Of The Conductor

Dimension Of Conductor

Nature Of Conductor

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