Author Question: What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ... (Read 77 times)

student77 · **on:** Jul 29, 2018

What is the shortest wavelength in the Paschen series?

A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 nm E) 820.4 m

Question 2

The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively.

An object is placed at 0.30 cm from the objective lens and the image of this object is viewed with the eyepiece adjusted for minimum eyestrain (with the eye focused at the far point). The near point of the person using the microscope is 25 cm and the far point is at infinity. What is the final overall magnification of the microscope?
A) -470 x B) -190 x C) -240 x D) -320 x E) -300 x

snackralk · **Reply #1 on:** Jul 29, 2018

Answer to Question 1

C

Answer to Question 2

E

student77 · **Reply #2 on:** Jul 29, 2018

Both answers were spot on, thank you once again

snackralk · **Reply #3 on:** Jul 29, 2018

Great! Please up vote

Author Question: What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ... (Read 77 times)

student77

What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ...

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snackralk

What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ...

student77

What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ...

snackralk

What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ...