A reflection nebula appears blue because it scatters the ________ light of the stars near it
Fill in the blank(s) with correct word
blue or shorter wavelength
You might also like to view...
Process of Science: Our theory of solar system formation suggests that larger planets cool more slowly than small ones
What does this suggest regarding geologic activity on Venus? Do we expect Venus to be geologically active? How did scientists test this hypothesis?
How do atmospheric windows limit observations made from Earth's surface?
What will be an ideal response?
A proton is placed in an electric field of intensity 700 N/C. What is the magnitude and direction of the acceleration of this proton due to this field?
A) 6.71 × 109 m/s2 opposite to the electric field B) 6.71 × 1010 m/s2 opposite to the electric field C) 6.71 × 1010 m/s2 in the direction of the electric field D) 67.1 × 1010 m/s2 opposite to the electric field E) 67.1 × 1010 m/s2 in the direction of the electric field
A thin-walled spherical tank has a diameter of 0.75 m and an inter-nal pressure of 20 MPa. The yield stress in tension is 920 MPa, the yield stress in shear is 475 MPa, and the factor of safety is 2.5. The modulus of elasticity is 210 GPa, Poisson’s ratio is 0.28, and maximum normal strain is 1220 3 1026. The minimum permissible thickness of the tank is approximately:
(A) 8.6 mm
(B) 9.9 mm
(C) 10.5 mm
(D) 11.1 mm