Question

To control the brightness, contrast and colours of the image we use​

Answer 1

Adjust the brightness or contrast of a picture:-

1. Click the picture that you want to change the brightness or contrast for.
2. Under Picture Tools, on the Format tab, in the Adjust group, click Corrections.
3. Under Brightness and Contrast, click the thumbnail that you want.

Answer 2

Explanation:

Click the picture that you want to change the brightness for.

Under Picture Tools, on the Format tab, in the Adjust group, click Corrections.

Corrections button on the Picture Tools tab

Depending on your screen size, the Corrections button may appear different.

Corrections button, smaller size Corrections button, smallest size

If you do not see the Format or Picture Tools tabs, make sure that you have selected a picture. You may have to double-click the picture to select it and open the Format tab.

Do one or more of the following:

Under Sharpen/Soften, click the thumbnail that you want. Thumbnails on the left show more softness, and more sharpness on the right.

Under Brightness/Contrast, click the thumbnail that you want. Thumbnails on the left show less brightness, and are brighter on the right. Thumbnails on the top show less contrast, and more contrast on the bottom.

Tip: When you point at an option in the Corrections gallery with your mouse, the picture on your slide changes to give you a preview of the effect of the option you're pointing at.

To fine tune any correction, click Picture Corrections Options, and then move the slider for Sharpness, Brightness, or Contrast, or enter a number in the box next to the slider.

Picture Corrections options in the Format Picture task pane