The phrase "a powerful light" is correct and usable in written English.
It can be used to describe a light source that is intense or has a strong effect, often in a literal or metaphorical sense.
Example: "The lighthouse emitted a powerful light that guided ships safely to shore."
Alternatives: "a strong light" or "an intense light."
This projector contains a powerful light bulb, which gets hot.
If there's a powerful light, the darkness that is its opposite will be just as strong".
Feminism has cast a powerful light on men's sexual violence, on our masculinity and on men's domination of women.
Like the drawings, the paintings exude an intense, nervous energy, a kind of architectural presence and a powerful light.
To check your pair for defects, hold them up to a powerful light source, such as a slide projector.
The rise of the #MeToo movement has shone a powerful light on sexual harassment in the workforce.
For those without access to an array of tools, a manual camera and any powerful light source will work just fine — artists like Picasso have been practicing this look for years.
Instructions on how to build a Dreamachine can easily be found online – all you need is a large piece of sturdy cardboard, a utility knife, a ruler, a pencil, an old record player, a very powerful light bulb and patience.
If you're buying a laptop, you're looking for a reasonably powerful, light weight machine – not necessarily a high end multimedia powerhouse.
This can be done by acquiring a more powerful light source and a faster 2-D camera, and by improving the mechanical setup to increase the sensitivity of the system, thus reducing the number of accumulations needed to have a good image quality.
With a bit of tweaking and a more powerful light source, it should be possible to see details of living tissue with their new lens, they report this week in Physical Review Letters.
