Radio astronomy can only be done from up in space, due to our ionosphere
Indicate whether the statement is true or false
FALSE
You might also like to view...
Photoelectric Effect Using Stopping Potential: For a certain metal, light of frequency 7.24 × 10-14 Hz is just barely able to dislodge photoelectrons from the metal. (h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J, e = 1.60 × 10-19 C)(a) What will be the stopping potential if light of frequency 8.75 × 10-14 Hz is shone on the metal?(b) What is the work function (in electron-volts) of this metal?
What will be an ideal response?
A straight wire is bent into the shape shown. Determine the net magnetic force on the wire when the current I travels in the direction shown in the magnetic field 
.
A. 2IBL in the ?z direction B. 2IBL in the +z direction C. 4IBL in the +z direction D. 4IBL in the ?z direction E. zero
Motor oil, with a viscosity of 0.250 Ns/m2, is flowing through a tube that has a radius of 5.00 mm and is 25.0 cm long. The drop in pressure is 300 kPa. What is the volume of oil flowing through the tube per unit time?
A) 0.000376 m3/s B) 0.0253 m3/s C) 0.00118 m3/s D) 4.71 m3/s E) 7.54 m3/s
For general projectile motion if we neglect air, the horizontal component of a projectile's velocity
A) remains zero. B) remains a non-zero constant. C) continuously increases. D) continuously decreases. E) first decreases and then increases.