Entries by sospeter mukundi

Select all of the following descriptions that match what happens when a ferromagnetic material is placed in an external magnetic field.

September 23, 2020 in /by

Select all of the following descriptions that match what happens when a ferromagnetic material is placed in an external magnetic field. The ferromagnetic material becomes magnetized. Nothing, ferromagnetic materials do not interact with magnetic fields. The ferromagnetic material rapidly cools. The ferromagnetic material becomes negatively charged. The external magnetic field induces magnetic poles in the […]

 

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A 1.9 cm-tall object stands in front of a converging lens.

September 23, 2020 in /by

A 1.9 cm-tall object stands in front of a converging lens. It is desired that a virtual image 2.6 times larger than the object be formed by the lens. How far from the lens (in cm) must the object be placed to accomplish this task, if the final image is located 12 cm from the lens?   “Looking for a Similar Assignment? […]

 

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Which of the following are characteristics of series circuits

September 23, 2020 in /by

Which of the following are characteristics of series circuits? Select all that apply. The voltage is divided among all devices in the circuit. There is only one path for current to follow through the circuit. If one device in the circuit stops allowing current to flow, all other devices in the circuit will also stop […]

 

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A camera is equipped with a lens with a focal length of 38 cm.

September 23, 2020 in /by

A camera is equipped with a lens with a focal length of 38 cm. When an object 2.2 m (220 cm) away is being photographed, what is the magnification?   “Looking for a Similar Assignment? Order now and Get 10% Discount! Use Code “Newclient”

 

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The focal length of a diverging lens is negative.

September 23, 2020 in /by

The focal length of a diverging lens is negative. If f = −25 cm for a particular diverging lens, where will the image be formed of an object located 49 cm to the left of the lens on the optical axis? cm to the left of the lens What is the magnification of the image?   “Looking for a Similar […]

 

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A camera is equipped with a lens with a focal length of 28 cm.

September 23, 2020 in /by

A camera is equipped with a lens with a focal length of 28 cm. When an object 1.9 m (190 cm) away is being photographed, how far from the film should the lens be placed? cm   “Looking for a Similar Assignment? Order now and Get 10% Discount! Use Code “Newclient”

 

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Select the characteristic(s) that match the properties of a converging lens.

September 23, 2020 in /by

Select the characteristic(s) that match the properties of a converging lens. Choose all that apply. It bends parallel rays of light so that they spread further apart. It is thinner at the middle than at the edges. It bends parallel rays of light so that they are focused at a point. It is thicker in the middle than at the edges.   “Looking […]

 

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The equation connecting spf forms an image of a small object placed 12 cm

September 23, 2020 in /by

The equation connecting spf forms an image of a small object placed 12 cm , , and  for a simple lens can be employed for spherical mirrors, too. A concave mirror with a focal length of 4 cm in front of the mirror. Where will this image be located? (For spherical mirrors, positive p means the image is on the same side of the mirror […]

 

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