". VdoTips: Science Multiple Choice Questions

Science Multiple Choice Questions

1. Visible light’s wavelength range ______________.
(A).0.39 – 0.77 mm
(B).0.39 – 0.77 µm
(C).0.39 – 0.77 nm
(D).0.39 – 0.77 cm
2. Planck’s constant
(A).6.62x10-34 J.sec
(B).6.62x10-34 J.min
(C).6.62x10-34 Cal.sec
(D).6.62x10-34 Cal.min
3. Sum of these is unity
(A).Reflectivity
(B).Reflectivity + Refractivity
(C).Reflectivity + Refractivity + Transmitivity
(D).Any
4. Metals can ________ the light beams.
(A).Reflect
(B).Refract
(C).Transmit
(D).Any
5. Metals are _______.
(A).Transparent
(B).Opaque
(C).Translucent
(D).None