Jamb Physics 2022 Past Questions and Answers

Question 21:

• JAMB 2022

The mercury column in the barometer at notational atmospheric pressure has a height of?

A. 0.76 cm at see level
B. 760 cm at sea level
C. 7.6 cm at sea level
D. 76 cm at sea level

Question 22:

• JAMB 2022

If an object just begins to slide on a surface inclined at 30º to the horizontal,the coefficient of friction is?

A. √3
B. \(\frac{√3}{2}\)
C. \(\frac{1}{√2}\)
D. \(\frac{1}{√3}\)

Question 23:

• JAMB 2022

Which of these is a derived unit?

A. Kilogram
B. Metre
C. Newton
D. Second

Question 24:

• JAMB 2022

A bar magnet is divided into two pieces, which of the following statement is correct?

A. Two new magnets are created
B. The magnetic field of each separate piece becomes stronger
C. The electric field is created
D. The bar magnet is demagnetized

Question 25:

• JAMB 2022

Consider the wave equation y = 5mm sin [1cm\(^{-1}\)x - 60s\(^{-1}\)t]. The wave number is?

A. 0.1 cm\(^{-1}\)
B. 10cm\(^{-1}\)
C. 1.0cm\(^{-1}\)
D. 2cm\(^{-1}\)