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Physics Mcqs Quiz Online Test 38

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Question 1

Radiation With Wavelength Longer Than Red Lights______

Score: 0 of 1
Your answerChoice

X-Rays

Selected

Ultraviolet Rays

Visible Radiation

Infra Red Radiation

Question 2

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

Score: 1 of 1
Your answerChoice
Selected

Gamma Rays

Beta Rays

Alpha Rays

X-Rays

Question 3

Radioactive Decay Obeys Which One Of The Following Law ?

Score: 0 of 1
Your answerChoice

No=N(1+Eλt)

N=Noeλt

N=Noe-Λt

Selected

/2

Question 4

Radioactive Materials Can Be Identified By Measuring Their______

Score: 1 of 1
Your answerChoice

Hardness

Density

Mass

Selected

Half Life

Question 5

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

Score: 0 of 1
Your answerChoice

A & B

A B & C

C & A

Selected

B & C

Question 6

Random Errors Can Be Reduced By______

Score: 1 of 1
Your answerChoice
Selected

Taking Mean Of Several Measurements

Comparing The Instrument With Another More Accurate One

Taking Zero Correction

All Methods Explained In A, B And C

Question 7

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

Score: 1 of 1
Your answerChoice

0

18.336

183.6

Selected

1836

Question 8

Reciprocal Of Resistivity Is Called______

Score: 1 of 1
Your answerChoice
Selected

Conductivity

Resistance

Inductance

Flexibility

Question 9

Reflecting Mirrors In Laser Is Used To______

Score: 0 of 1
Your answerChoice
Selected

All

Further Stimulation

For Producing More Energetic Lasers

Lasing More

Question 10

Resistance Of A Conductor Depends Upon______

Score: 1 of 1
Your answerChoice

Physical State Of The Conductor

Nature Of Conductor

Dimension Of Conductor

Selected

All Of Above

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