What is the wavelength band for Ultraviolet rays?

1.	What is the wavelength band for Ultraviolet rays?
A.	1 * 10 -6 to 3.9 * 10 -1 micron meter
B.	1 * 10 -4 to 3.9 * 10 -1 micron meter
C.	2 * 10 -3 to 3.9 * 10 -1 micron meter
D.	1 * 10 -2 to 3.9 * 10 -1 micron meter
Answer» E.

Discussion

No Comment Found

Related MCQs

What is the wavelength band for solar radiation?
A black body of total area 0.045 m2 is completely enclosed in a space bounded by 5 cm thick walls. The walls have a surface area 0.5 m 2 and thermal conductivity 1.07 W/ m K. If the inner surface of the enveloping wall is to be maintained at 215 degree Celsius and the outer wall surface at 30 degree Celsius, calculate the temperature of the black body
What is the wavelength band for Ultraviolet rays?
Measurements were made of the monochromatic absorptivity and monochromatic hemispherical irradiation incident on an opaque surface, and the variation of these parameters with wavelength may be approximated by the result shown below. Determine the total hemispherical absorptivity
If the emitted radiant energy is to be doubled, to what temperature surface of black body needs to be raised? Take radiant flux density as 11631.7 W/m 2.
WHAT_IS_THE_WAVELENGTH_BAND_FOR_ULTRAVIOLET_RAYS??$
A_black_body_of_total_area_0.045_m2_is_completely_enclosed_in_a_space_bounded_by_5_cm_thick_walls._The_walls_have_a_surface_area_0.5_m_2_and_thermal_conductivity_1.07_W/_m_K._If_the_inner_surface_of_the_enveloping_wall_is_to_be_maintained_at_215_degree_Celsius_and_the_outer_wall_surface_at_30_degree_Celsius,_calculate_the_temperature_of_the_black_body$
The value of radiation coefficient or the Stefan-Boltzmann constant is
A furnace having inside temperature of 2250 has a glass circular viewing of 6 cm diameter. If the transmissivity of glass is 0.08, make calculations for the heat loss from the glass window due to radiation
If the emitted radiant energy is to be doubled, to what temperature surface of black body needs to be raised? Take radiant flux density as 11631.7 W/m 2.

What is the wavelength band for Ultraviolet rays?

Discussion

No Comment Found

Related MCQs

Reply to Comment