11.  Length of Galaxies is in order of _______

A. \(10^{26}m\)

B. \(10^{36}m\)

C. \(10^{28}m\)

D. \(10^{-14}m\)

Answer : Option A

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12.  The approximate value of charge of an electron is __________

A. \(10^{-18}c\)

B. \(10^{15}c\)

C. \(10^{-38}c\)

D. \(10^{-19}c\)

Answer : Option D

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13.  The universe is made up of __________

A. matter only

B. radiation only

C. vacuum

D. matter and radiation

Answer : Option D

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14.  Nucleus of molecule is made up of which fundamental constituents ?

A. Only Electron

B. Proton and neutron

C. Electron and Proton

D. Electron and neutron

Answer : Option B

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15.  In the development of nanotechnology and biotechnology _______ have played a vital role.

A. ECG

B. ESR

C. NMR

D. AFM

Answer : Option D

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16.  What is full form of AFM ?

A. Automatic force microscope

B. Atomic force mirror

C. Automatic fire microscope

D. Atomic force microscope

Answer : Option D

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17.  What is full name of ECG ?

A. Electron cardiograph

B. Electro cardiograph

C. Electron colour gram

D. Electric colour graph

Answer : Option B

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18.  What is full name of ESR ?

A. Electric space Radar

B. Electron space Range

C. Electron spin Resonance

D. Electric spin Resonance

Answer : Option C

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19.  What is full name of NMR ?

A. Nuclear magnetic Resonance

B. Neutron mega Resonance

C. Nuclear mega Radar

D. Nuclear micro Radar

Answer : Option A

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20.  ______ deals with electric charge and magnetic phenomenon

A. Dynamics

B. Electro dynamic

C. Thermodynamic

D. Mechanics

Answer : Option B

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