Basic Details
Word: Convexity
Part of Speech: Noun
Meaning: The quality of being curved outward; in simple terms, a shape that bulges outwards.
Synonyms: Curvature, bulge
Antonyms: Concavity, indentedness
Idioms and Phrases
- Curve in the road: Used to describe an unexpected change in plans. Example: "We hit a curve in the road when the storm delayed our travel."
- Straighten things out: To fix a problem or make something clearer. Example: "We need to straighten things out before the big presentation."
Usage Examples
Example 1: The convexity of the lens allowed it to focus light more effectively, making the images appear clearer.
Example 2: When looking at the surface of a basketball, its convexity is what helps it bounce when it hits the ground.
Example 3: The architect admired the convexity of the building's design, which gave it a unique and modern look.
Fun Fact
Did you know that convex shapes can be found all around us, from the shape of a dome to the surface of certain fruits like oranges? This makes them very interesting in both nature and architecture!
Famous Quote
"Life is not a straight line; it's a series of curves, bends, and different convex shapes that define our journey." Unknown
Multiple Choice Questions (MCQs)
1. What does "convexity" mean?
a) A shape that is flat
b) A quality of being curved outward
c) A type of fabric
d) A mathematical term for angles
Answer: b) A quality of being curved outward
2. Which of these is a synonym of "convexity"?
a) Straightness
b) Curvature
c) Indentation
d) Sharpness
Answer: b) Curvature
3. Which is an antonym of "convexity"?
a) Bulge
b) Concavity
c) Linearity
d) Elevation
Answer: b) Concavity
4. Which sentence uses "convexity" correctly?
a) The convexity of the ball made it roll faster on the ground.
b) The convexity of the box was nice, but it did not fit inside my school bag.
c) The convexity of her hair looked beautiful in the sunlight.
d) All of the above.
Answer: a) The convexity of the ball made it roll faster on the ground.
5. What does the idiom "curve in the road" mean?
a) A smooth journey
b) An unexpected change in plans
c) A perfect circle
d) A straight path
Answer: b) An unexpected change in plans
