Question

1. Visible light's wavelength range (a) 0.39 - 0.77 mm (c) 0.39 - 0.77 nm 2. Planck's constant (a) $6.62 \times 10^{-34}$ J.sec (b) $6.62 \times 10^{-34}$ J.min (c) $6.62 \times 10^{-34}$ Cal.sec (d) $6.62 \times 10^{-34}$ 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 6. Metals can transmit these (a) Radio ways (b) Visible light (c) Microwaves (d) x-rays 7. Reflectivity of metals (a) 0.05 (b) 0.50 (c) 0.95 (d) None 8. Refractive index of materials is approximately equal to square root of (a) electrical permittivity (b) magnetic permeability (c) electrical permittivity x magnetic permeability (d) None 9. Snell's law relates (a) Light reflection (b) Light refraction (c) Light transmission (d) Light Absorption 10. Bouguer's law relates __ (a) Light reflection (b) Light refraction (c) Light transmission (d) Light Absorption (b) 0.39 - 0.77 µm (d) 0.39 - 0.77 cm

          1. Visible light's wavelength range
(a) 0.39 - 0.77 mm
(c) 0.39 - 0.77 nm
2. Planck's constant
(a) $6.62 \times 10^{-34}$ J.sec
(b) $6.62 \times 10^{-34}$ J.min
(c) $6.62 \times 10^{-34}$ Cal.sec
(d) $6.62 \times 10^{-34}$ 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
6. Metals can transmit these ______
(a) Radio ways
(b) Visible light
(c) Microwaves
(d) x-rays
7. Reflectivity of metals
(a) 0.05
(b) 0.50
(c) 0.95
(d) None
8. Refractive index of materials is approximately equal to square root of
(a) electrical permittivity
(b) magnetic permeability
(c) electrical permittivity x magnetic permeability
(d) None
9. Snell's law relates ______
(a) Light reflection
(b) Light refraction
(c) Light transmission
(d) Light Absorption
10. Bouguer's law relates ______
(a) Light reflection
(b) Light refraction
(c) Light transmission
(d) Light Absorption
(b) 0.39 - 0.77 µm
(d) 0.39 - 0.77 cm

$1. Visible light's wavelength range (a) 0.39 - 0.77 mm (c) 0.39 - 0.77 nm 2. Planck's constant (a) 6.62 × 10^-34 J.sec (b) 6.62 × 10^-34 J.min (c) 6.62 × 10^-34 Cal.sec (d) 6.62 × 10^-34 Cal.min 3. Sum of these is unity (a) Reflectivity (b) Reflectivity + Refractivity (c) Reflectivity + Refractivity + Transmitivity (d) Any 4. Metals can the light beams. (a) Reflect (b) Refract (c) Transmit (d) Any 5. Metals are (a) Transparent (b) Opaque (c) Translucent (d) None 6. Metals can transmit these (a) Radio ways (b) Visible light (c) Microwaves (d) x-rays 7. Reflectivity of metals (a) 0.05 (b) 0.50 (c) 0.95 (d) None 8. Refractive index of materials is approximately equal to square root of (a) electrical permittivity (b) magnetic permeability (c) electrical permittivity x magnetic permeability (d) None 9. Snell's law relates (a) Light reflection (b) Light refraction (c) Light transmission (d) Light Absorption 10. Bouguer's law relates (a) Light reflection (b) Light refraction (c) Light transmission (d) Light Absorption (b) 0.39 - 0.77 µm (d) 0.39 - 0.77 cm$

Added by Luis P.

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