Asked Dec 29, 2019

Ultraviolet bulbs have a quartz envelope instead of glass?


Expert Answer

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in



Dispersion and Spectra

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: The threshold of dark - adapted (scotopic) vision is 4.0 x 10-11 W/m2 at a central wavelength of 5.0...

A: Click to see the answer


Q: Some studies suggest that the upper frequency limit of hearing is determined by the diameter of the ...

A: Let v be the velocity of sound which varies with the temperature T.Write the expression for the velo...


Q: When dealing with sound intensities and decibel levels, a convenient approximation (accurate to 2 si...

A: a). For an increase of sound intensity by a factor 2^n, the corresponding increase in the decibel le...


Q: Write expression for the magnifying power of a simple microscope. How can it be increased?

A: The magnifying power of a simple microscope is the ratio of the angle subtended at the eye by the im...


Q: Refer to Figure 15.20. The charge lowered into the center of the hollow conductor has a magnitude of...

A: (a) The charge inside and outside the hollow conductor is zero in Figure 15.20a.


Q: Potassium iodide has an interplanar spacing of d = 0.296 nm. A monochromatic x - ray beam shows a fi...

A: The equation for the wavelength, according to the Bragg equation is,


Q: Four concentric spheres S1, S2, S3, and S4 are arranged as in Figure CQ15.5 and each charge in the f...

A: a)The required ratio of flux is,


Q: Ocean waves are traveling to the east at 4.0 m/s with a distance of 20.0 m between crests. With what...

A: (a)Write the expression for the frequency of the wave.


Q: At rest, a car’s horn sounds the note A (440 Hz). The horn is sounded while the car is moving down t...

A: When the observer moves towards the source, due to Doppler Effect the frequency of the source heard ...