Which one of the following is used in oven?
مندرجہ ذیل میں سے کون سا تندور میں استعمال ہوتا ہے؟
- Radio waves
- Microwaves
- X-Rays
- None of these
Explanation
Microwaves are a type of electromagnetic radiation that are used to heat food in microwave ovens.
Microwaves are absorbed by water molecules in food, which increases the kinetic energy of the molecules and heats the food.
Microwaves have several characteristics that make them useful for cooking, including:
- They are reflected by metal
- They can pass through glass, paper, and plastic
- They are absorbed by food
Related MCQs
پانی کی زیادہ سے زیادہ کثافت _____ ہے؟
- 2°C
- 3°C
- 4°C
- 5°C
اس سوال کو وضاحت کے ساتھ پڑھیں
- 20 J
- 15 J
- 10 J
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Velocity decreases by 9.8 m/s each second
- Velocity increases by 9.8 m/s each second
- Velocity remains constant
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
رفتار وقت کے گراف کے نیچے کا رقبہ ______ دیتا ہے؟
- Displacement
- Speed
- Acceleration
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
مقناطیسی بہاؤ اور ویکٹر ایریا کے درمیان کس زاویہ پر بہاؤ صفر ہے؟
- 0 degrees
- 45 degrees
- 90 degrees
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Leave a Reply
Your email address will not be published. Required fields are marked *