Above diagram shows construction of....

• Bubble chamber

• Wilson Cloud chamber

• GM counter

• Scintillation counter

The size of nucleus is of the order of ......

• 10^ -8 m

• 10^ -10 m

• 10^ 14 m

• 10^ -14 m

The binding energy of nucleus is a measure of its....

• Stability

• Mass

• Charge

• Momentum

GM counter detects....

• Photons

• Neutrons

• Alpha particles

• All of these

Betatron is a device to accelerate.........

• Protons

• Electrons

• Both protons and electrons

• None of these

The positive ion accelerator is.....

• Betatron

• Cyclotron

• Synchrocyclotron

• None of these

In a cyclotron, magnetic field of 3.5 T is used to accelerate protons.what is r.f of cyclotron (given. m=3.3×10^-27 ,q=1.6×10^-19)

• 27×10^6 Hz

• 9×10^6 Hz

• 27×10^8 Hz

• 9×10^8 Hz