When we see a doubling of the image of single quasar, the body creating the gravity lens is just a brown dwarf close to us

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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Wave Characteristics: What is the wavelength used by a radio station that broadcasts at a frequency of 920 kHz? (c = 3.00 × 108 m/s)

A. 22.6 m B. 226 m C. 326 m D. 175 m E. 276 m

Physics & Space Science

Imagine you are plunging into the Sun, starting from Earth. Briefly describe what you will experience on your journey

What will be an ideal response?

Physics & Space Science

Which of the following elements will most likely not form an ion at all?

A) Na B) O C) Ar D) Mg E) Br

Physics & Space Science

A 0.50-kg mass attached to the end of a string swings in a vertical circle (radius = 2.0 m). When the mass is at the lowest point on the circle, the speed of the mass is 12 m/s. What is the magnitude of the force of the string on the mass at this position?

a. 31 N b. 36 N c. 41 N d. 46 N e. 23 N

Physics & Space Science