Post Utme Physics Past Questions and Answers

Question 656:

An object is placed \(25 cm\) in front of a convex lens of focal length \(10 cm\). The image of the object will be ____________

A. Real inverted and magnified
B. Real upright and magnified
C. Real upright and diminished
D. Real inverted and diminished

Question 657:

Any successful lift-off of space-craft uses the application of ____________

A. Newton's First Law
B. Newon's Second Law
C. Newton's Third Law
D. All of the above

Question 658:

When a carpenter screws a nail into an object, the distance travelled into the object at a full circle of the head of the screw is called ____________

A. Pitch
B. Thimble
C. Wavelength
D. Moment

Question 659:

One of the following is true of Boyle's law when the pressure of a given volume of gas increases ____________

A. Volume increases
B. The temperature increases
C. The volume decreases
D. The temperature decreases

Question 660:

If two resistors of \(10 \Omega\) and \(20 \Omega\) are connected in series and then placed in parallel with another \(20 \Omega\) resistor, calculate the effective resistance of the combination

A. \(50 \Omega\)
B. \(12 \Omega\)
C. \(10 \Omega\)
D. \(0.02 \Omega\)