Question 4901:

An object of height \(3.00 cm\) is placed \(10 cm\) in front of a biconvex lens of focal length \(15 cm\), the image of the object is ____________

A. Real and \(3.00 cm\) tall
B. Virtual and \(3.00 cm\) tall
C. Virtual and \(9.00 cm\) tall
D. Real and \(9.00 cm\) tall

Question 4902:

The most suitable type of mirror used for the construction of a search light is the ____________

A. Concave mirror
B. Convex mirror
C. Spherical mirror
D. Parabolic mirror

Question 4903:

Light waves and ripples of water are similar because both ____________

A. Are longitudinal waves
B. Have the same velocity
C. Can be diffracted and refracted
D. Have the same frequency

Question 4904:

Three \(4-\Omega\) resistors were connected in series by Tola while Ade connected the same set of resistors in parallel. The ratio of the value obtained by Ade to that obtained by Tola is ____________

A. 1:2
B. 1:9
C. 1:10
D. 1:5

Question 4905:

Three resistors are connected as shown in the diagram below. The equivalent resistance between points \(X\) and \(Y\) is ____________

A. \(8.0 \Omega\)
B. \(22.0 \Omega\)
C. \(4.25 \Omega\)
D. \(3.27 \Omega\)