A12-inch object is placed 30 inches in front of a plane mirror. a ray of light from the object strikes the mirror at a 45-degree angle. how tall is the image produced by the mirror? 12 inches 30 inches 24 inches 45 inches

I think it's 12 inches. Hope it's right.

The correct answer is 12 inches.

Explanation:

Image is formed in the plane mirror:

Image formed by the plane mirrors is of same size and shape as that of the object .Distance between the image formed and the mirror is equal to the distance between the object and mirror.

According to question the the height of the image formed in the plane mirror will be of same height as that of the object that is 12 inches.

Hence, the correct answer is 12 inches.

Ive never heard of creep meters

Each student aligns the edge of the object with the left edge of the ruler as shown above. all four students read the ruler with a measurement of 4.6 cm. which statement describes the data they collect? i believe the answer is: the data have poor precision and poor accuracy because of a systematic error.