Question 1

A 6.0-ft tall football player stands in front of a plane mirror.How tall must the mirror be so that the football player can see his full-sized image?

Accepted Answer

A) 2.0 ft 
B) 2.5 ft 
C) 3.0 ft 
D) 3.5 ft 
E) 6.0 ft 
A) 2.0 ft 
B) 2.5 ft 
C) 3.0 ft 
D) 3.5 ft 
E) 6.0 ft

Question 2

An object is placed 1 m in front of a plane mirror.An observer stands 3 m behind the object.For what distance must the observer focus his eyes in order to see the image of the object?

Accepted Answer

A) 1 m 
B) 2 m 
C) 3 m 
D) 4 m 
E) 5 m 
A) 1 m 
B) 2 m 
C) 3 m 
D) 4 m 
E) 5 m

Question 3

An object is placed 20 cm in front of a concave spherical mirror that has a radius of curvature 60 cm.Which one of the following phrases best describes the image?

Accepted Answer

A) virtual and located at infinity 
B) real and located 60 cm from the mirror 
C) real and located 120 cm from the mirror 
D) virtual and located 60 cm from the mirror 
E) virtual and located 120 cm from the mirror 
A) virtual and located at infinity 
B) real and located 60 cm from the mirror 
C) real and located 120 cm from the mirror 
D) virtual and located 60 cm from the mirror 
E) virtual and located 120 cm from the mirror

A 6.0-ft tall football player stands in front of a plane mirror.How tall must the mirror be so that the football player can see his full-sized image?

An object is placed 1 m in front of a plane mirror.An observer stands 3 m behind the object.For what distance must the observer focus his eyes in order to see the image of the object?

An object is placed 20 cm in front of a concave spherical mirror that has a radius of curvature 60 cm.Which one of the following phrases best describes the image?

Fluids

The Transfer of Heat

The Ideal Gas Law and Kinetic Theory

Thermodynamics

The Principle of Linear Superposition and Interference Phenomena

Electric Circuits

Electromagnetic Induction

The Refraction of Light: Lenses and Optical Instruments

Particles and Waves

Filters

Exam 25: The Refl Ection of Light: Mirrors

A 6.0-ft tall football player stands in front of a plane mirror.How tall must the mirror be so that the football player can see his full-sized image?

An object is placed 1 m in front of a plane mirror.An observer stands 3 m behind the object.For what distance must the observer focus his eyes in order to see the image of the object?

An object is placed 20 cm in front of a concave spherical mirror that has a radius of curvature 60 cm.Which one of the following phrases best describes the image?

Fluids

The Transfer of Heat

The Ideal Gas Law and Kinetic Theory

Thermodynamics

The Principle of Linear Superposition and Interference Phenomena

Electric Circuits

Electromagnetic Induction

The Refraction of Light: Lenses and Optical Instruments

Particles and Waves

Filters