Basic Details
Word: Ultraviolet
Part of Speech: Adjective
Meaning: A type of light that is invisible to the human eye but can be seen in certain conditions and can cause sunburn.
Synonyms: UV, beyond violet
Antonyms: Infrared
Idioms and Phrases
- Ultraviolet ray: A ray of light that can cause skin damage and is part of sunlight. Example: "Wearing sunscreen helps protect our skin from harmful ultraviolet rays when we're outside."
- In the ultraviolet spectrum: Referring to something that is outside the visible range of light. Example: "Some animals can see in the ultraviolet spectrum, allowing them to spot patterns that humans cannot."
Usage Examples
Example 1: Ultraviolet light can help plants grow, as it is part of the sunlight they need.
Example 2: Many people use sunscreen to protect their skin from the harmful effects of ultraviolet radiation.
Example 3: Certain flowers and insects have patterns that reflect ultraviolet light, making them more attractive to pollinators.
Fun Fact
Did you know that honeybees can see ultraviolet light? This ability helps them find flowers that are not visible to humans!
Famous Quote
"The sun shines not on us but in us." John Muir
Multiple Choice Questions (MCQs)
1. What does "ultraviolet" mean?
a) A type of sound
b) A type of light that is invisible to human eyes
c) A kind of food
d) A kind of animal
Answer: b) A type of light that is invisible to human eyes
2. Which of these is a synonym of "ultraviolet"?
a) UV
b) Infrared
c) Visible
d) Light
Answer: a) UV
3. Which answer is the opposite of "ultraviolet"?
a) Red
b) Infrared
c) Blue
d) Green
Answer: b) Infrared
4. Which sentence uses "ultraviolet" correctly?
a) The ultraviolet Cat jumped high.
b) We must protect ourselves from ultraviolet rays when it's sunny outside.
c) Ultraviolet is a kind of sandwich.
d) The ultraviolet tree grows very tall.
Answer: b) We must protect ourselves from ultraviolet rays when it's sunny outside.
5. Which idiom refers to ultraviolet light?
a) Ultraviolet ray
b) Bright as day
c) See the light
d) In the dark
Answer: a) Ultraviolet ray
