![SOLVED: A lamp with a parabolic reflector is shown in the figure. The bulb is placed at the focus and the focal diameter is 10 cm. (Assume the vertex O is at SOLVED: A lamp with a parabolic reflector is shown in the figure. The bulb is placed at the focus and the focal diameter is 10 cm. (Assume the vertex O is at](https://cdn.numerade.com/ask_images/afb06a003c474baa916efb61acf95ce5.jpg)
SOLVED: A lamp with a parabolic reflector is shown in the figure. The bulb is placed at the focus and the focal diameter is 10 cm. (Assume the vertex O is at
![Rab PAR30S-11-827-40D-DIM Dimmable PAR30 Short Neck Shatterproof Parabolic Reflector LED Lamp E26 Medium Base 11-Watt 800-Lumens 80 CRI 2700K Soft White Rab PAR30S-11-827-40D-DIM Dimmable PAR30 Short Neck Shatterproof Parabolic Reflector LED Lamp E26 Medium Base 11-Watt 800-Lumens 80 CRI 2700K Soft White](https://assets.usesi.com/product-media/images/P1014887.jpg)
Rab PAR30S-11-827-40D-DIM Dimmable PAR30 Short Neck Shatterproof Parabolic Reflector LED Lamp E26 Medium Base 11-Watt 800-Lumens 80 CRI 2700K Soft White
![Amazon.com : Large Parabolic Reflector 12" Diameter : Photographic Lighting Reflectors : Electronics Amazon.com : Large Parabolic Reflector 12" Diameter : Photographic Lighting Reflectors : Electronics](https://m.media-amazon.com/images/I/81-QUYjxuCL.jpg)
Amazon.com : Large Parabolic Reflector 12" Diameter : Photographic Lighting Reflectors : Electronics
![Parabolic Aluminized Reflector Light aka. Par Can light is a fairly large electric lamp which is commonly used for residenti… | Can lights, Lighting, Stage lighting Parabolic Aluminized Reflector Light aka. Par Can light is a fairly large electric lamp which is commonly used for residenti… | Can lights, Lighting, Stage lighting](https://i.pinimg.com/originals/6b/89/73/6b89731251200b012707b1bdd79053bd.jpg)
Parabolic Aluminized Reflector Light aka. Par Can light is a fairly large electric lamp which is commonly used for residenti… | Can lights, Lighting, Stage lighting
Willow Lane Gallery - Candle Lamp - Circa 1890s. Parabolic medical examination and scientific observation lamp. It is hard to imagine our lives without the modern conveniences that we rely on daily.
![Hydro Crunch 42 in. Parabolic Vertical Umbrella Hood Grow Light Reflector for up to 1000-Watt D940003300 - The Home Depot Hydro Crunch 42 in. Parabolic Vertical Umbrella Hood Grow Light Reflector for up to 1000-Watt D940003300 - The Home Depot](https://images.thdstatic.com/productImages/25b59450-6d46-44d4-95ce-3461f9aa5407/svn/hydro-crunch-grow-lights-d940003300-c3_600.jpg)