Dawn Of Modern Physics Set 1

Results

#1. The equations of pain production is

hf = 2mc²-KE (e) + K.E (e+) b)

hf=2mc² + KE (e) + K.E (e+) c)

hf = 2m²c² + KE (e) + K.E (e+)

hf = 2m²c + KE (e) + K.E (e)

#2. The relation AT-Cont.

Wein's Law

Plank's Law

Stephen Law

None

#3. A quantity is always sqrt (1 - (v ^ 2)/(c ^ 2) is always

Greater than one

Less than one

Equal to one

None of these

#4. Photon 'A' has twice the energy of photon "B" What is the ratio of the momentum of 'A' to that of "B"?

4:1

2:1

1:2

None

#5. Who gave the idea of matter wave?

De-Broglie

Planck

Einstein

Huygen

#6. Electron is an antiparticle of

Proton

Photon

Positron

Deuteron

#7. The Stefen-Boltzmann's constant has the value

5.67 * 10 ^- 5 * W * m ^- 2 * K ^ -4

5.67 * 10 ^-6* W * m ^ - 1 * K ^ - 4

5.67 * 10 ^ -6 * W * m ^ - 2 * K ^- 4

5.67 * 10 ^ -8 * W * m ^ 2 * K ^- 4

#8. The energy of photon of radio waves is only about

10 ^-6 eV

10 ^-4 eV

10 ^ - 10 eV

10 ^ -12 eV

#9. The idea of quantization of energy was proposed by

Einstein

Max Planck

Compton

None of these

#10. Which of the following has the same dimension as h/m0c?

Length

Time

Mass

None

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Results

#1. The equations of pain production is

#2. The relation AT-Cont.

#3. A quantity is always sqrt (1 - (v ^ 2)/(c ^ 2) is always

#4. Photon 'A' has twice the energy of photon "B" What is the ratio of the momentum of 'A' to that of "B"?

#5. Who gave the idea of matter wave?

#6. Electron is an antiparticle of

#7. The Stefen-Boltzmann's constant has the value

#8. The energy of photon of radio waves is only about

#9. The idea of quantization of energy was proposed by

#10. Which of the following has the same dimension as h/m0c?