When white light shines through a diffraction grating, the blue fringes are ________ the central bright spot than the red fringes.
What will be an ideal response?
closer to
nearer
nearer to
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Angular Quantities: A chicken is running in a circular path with an angular speed of 1.52 rad/s. How long does it take the chicken to complete one revolution?
A. 4.13 s B. 2.07 s C. 118 s D. 4.77 s E. 8.26 s
Which of the following statements correct describes overall energy balance in a star?
A) Gravity balances pressure. B) Energy generated by fusion in the core balances the energy emitted from the star's surface. C) Temperature balances light energy emitted at the photosphere. D) Energy in sunspots balances energy in magnetic fields.
The proper abbreviation for ‘kilohertz' is ‘kHz.'
Indicate whether the statement is true or false
How many large moons does Saturn have?
A) 4 B) 3 C) 2 D) 1 E) 0