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s344n2d4d5 [400]
4 years ago
8

For what position of the object will a spherical concave mirror project on the screen an image smaller than the object? a. betwe

en focus and center
b. between the focus and the mirror
c. at the center of curvature
d. beyond the center of curvature

Physics
1 answer:
luda_lava [24]4 years ago
3 0

Answer:

option (d)

Explanation:

A concave mirror always forms a real and inverted image of an object except when the object placed between pole and focus of the mirror.

When the object is placed beyond the centre of curvature, it forms a image which is smaller than the object but it is real and inverted in nature.

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The rectangular resistors with leads specifically made to fit into printed circuit boards are ____ resistors.
slava [35]

The rectangular resistors with leads specifically made to fit into printed circuit boards are surface mount resistors.

The resistors are the device which resists the motion of current or electricity.

They are electronic devices used in electrical circuits.

The general type of resistors which are rectangular with leads so taht they fit the circuit boards are called surface mount resistors.

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5 0
2 years ago
if pes represents the potential energy stored in a spring in kg•m^2/s^2 and x represents the change in the springs length from i
musickatia [10]
Unit for x - the change in the spring length:
x = [ m ]
PE s =  1/2 k x²
[ kg m² / s² ] = 1/2 k * [ m² ]   /: m²
k = [ kg / s² ]
Answer: The unit for spring constant k is kg/ s²
8 0
3 years ago
He is best known for publishing an almanac based on my astronomical calculations. Who is it?
slega [8]

Benjamin Banneker did this in 1792. Hope this helps

5 0
4 years ago
Convert 0 degrees Fahrenheit into kelvin
Ostrovityanka [42]

Answer:

0 degrees Fahrenheit is equal to 273.15 Kelvins.

Explanation:

basic formula  °C + 273.15 = K.  (°F − 32) × 5/9 = °C. (°F − 32) × 5/9 + 273.15 = K.

8 0
3 years ago
calculate the period of a wave whose frequency is 5 Hertz and whose wavelength is one centimeter give your answer in a decimal f
olga2289 [7]
The period of the wave is the reciprocal of its frequency.

       1 / (5 per second)  =  0.2 second .

The wavelength is irrelevant to the period.  But since you
gave it to us, we can also calculate the speed of the wave.

Wave speed = (frequency) x (wavelength)

                   = (5 per second) x (1cm)  =  5 cm per second
4 0
4 years ago
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