Elementary Modern Physics - Jamb Physics Past Questions and Answers

Question 116:

• JAMB 2010

The ground stated energy for the hydrogen atom is 5.44 x 10^-19J . If an electron drops from zero energy to ground state, calculate the frequency of the emitted radiation.
[h = 6.6 x 10^-34 Js]

A. 5.0 x 10¹⁶ Hz
B. 2.0 x 10¹⁶ Hz
C. 5.0 x 10¹⁵ Hz
D. 2.0 x 10¹⁵ Hz
E. No correct option

Question 117:

• JAMB 2010

The ground stated energy for the hydrogen atom is 5.44 x 10^-19J . If an electron drops from zero energy to ground state, calculate the frequency of the emitted radiation.
[h = 6.6 x 10^-34 Js]

A. 5.0 x 10¹⁶ Hz
B. 2.0 x 10¹⁶ Hz
C. 5.0 x 10¹⁵ Hz
D. 2.0 x 10¹⁵ Hz
E. No correct option

Question 118:

• JAMB 2010

The ground stated energy for the hydrogen atom is 5.44 x 10^-19J . If an electron drops from zero energy to ground state, calculate the frequency of the emitted radiation.
[h = 6.6 x 10^-34 Js]

A. 5.0 x 10¹⁶ Hz
B. 2.0 x 10¹⁶ Hz
C. 5.0 x 10¹⁵ Hz
D. 2.0 x 10¹⁵ Hz
E. No correct option

Question 119:

• JAMB 2011

Which of the following electromagnetic waves has the highest frequency?

A. Utra - violet rays
B. Radio waves
C. X - rays
D. Infrared - rays

Question 120:

• JAMB 2011

The bond between silicon and germanium is

A. Covalent
B. Ionic
C. Dative
D. Electrovalent