GEAS

One horsepower is equivalent to how many watts?

• 550

• 760

• 250

• 746

What is the total luminous flux radiated by a 1 candela source?

• 2π lm

• 4π lm

• 6π lm

• π lm

A free falling object is acted upon by which of the following?

• Weight of the

  body

• Air resistance

  and

  gravitational

  pull

• Gravitational

  pull

• Air resistance

What type of mirror that curves inward its center and converges parallel light to a single real focal point?

• Convex mirror

• Concave mirror

• Spherical mirror

• Chromatic mirror

What type of lens deviates parallel light outward as though it originated

at a single virtual focal point?

• Magnifying lens

• Convergent lens

• Divergent lens

• Microscopic lens

What refers to the time needed by an object in uniform circular motion to complete an orbit?

• path time

• orbit time

• revolution

• period

Which of the following is equivalent to the unit “farad”?

• coulomb/volt

• joule/volt

• joule/coulomb

• coulomb/joule

What is an elemental unit of energy?

• Quartz

• Quark

• Photon

• Quantum

The _______ of a moving object is the distance it covers in a time interval divided by the time interval

• acceleration

• instantaneous

  speed

• average speed

• instantaneous

  velocity

“The work done by the net force on a particle equals the change in the particle’s kinetic energy.” This statement is known as _________.

• Law of

  conservation of

  energy

• Work-energy

  theorem

• Law of

  conservation of

  work

• Total work

  theorem