Why is a white-hot object hotter than a red-hot objects?

It can emit lights with larger frequency like blue light

Explanation:

The Red objects are hot enough to emit the energy in the form of red light and infra-red ray. The infra-red ray is invisible to our eye. So object is appearing red to us. It also means that it does not have energy to emit higher frequency lights

The white object is hot enough to emit higher energy lights like blue and yellow along with red and infra red rays. When they are combined they will appear white to our eyes.

This is why the white-hot object is otter than the red-hot object.

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