Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
If the frequency of a wave doubles and its speed remains constant, its wavelength will:
In the toy telephone made with tin cans and a string, sound travels through:
In a transverse wave, the particles of the medium move:
For a clear echo to be heard, the reflecting surface should be at least __________ away from the sound source.
In a longitudinal wave, the regions where the particles of the medium are closest together are called:
In a longitudinal wave, the regions where the particles of the medium are spread farthest apart are called:
If a body completes 600 vibrations in 2 minutes, what is its frequency?
If the frequency of a wave is 100 Hz, what is its time period?
To make a sound louder, you need to increase the __________ of the vibration.
What is a wave?
Quick Stats
Popular Subjects
Practice Tips
Time Management
Practice with time limits for better preparation
Review Mistakes
Always check explanations for wrong answers
Track Progress
Monitor your improvement across subjects
Quick Actions
Did You Know?
Practice Makes Perfect
Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.
Active Recall
MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.