Sign Up Sign Up

Have an account? Sign In Now

Sign In Sign In

Forgot Password?

Don't have account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Have an account? Sign In Now

You must login to ask question.

Forgot Password?

Need An Account, Sign Up Here

You must login to ask question.

Forgot Password?

Need An Account, Sign Up Here

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

Know It Here Logo Know It Here Logo
Sign InSign Up

Know It Here

Know It Here Navigation

  • Home
  • E-BOOK
  • Essay Blog
  • No Answer
  • FAQs
  • Contact
  • About us
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • Home
  • E-BOOK
  • Essay Blog
  • No Answer
  • FAQs
  • Contact
  • About us
  • About
  • Questions
  • Polls
  • Answers
  • Best Answers
  • Asked Questions
  • Followed Questions
  • Favorite Questions
  • Posts
  • Comments
  • Followers Questions
  • Followers Answers
  • Followers Posts
  • Followers Comments
  1. Asked: April 13, 2022

    An earthworm is hermaphrodite but self fertilization does not takes place ,why?

    knowithere LEVEL 21
    Added an answer on April 13, 2022 at 6:07 pm

    an earthworm is hermophodite but there is no self fertilization because of proandus ( male gamete and female gamete ).

    an earthworm is hermophodite but there is no self fertilization because of proandus ( male gamete and female gamete ).

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  2. #
  3. Asked: November 2, 2021In: Biology MCQs

    Animals are classified into hierarchical groups, in which one of the following, the target number of species is found?

    knowithere LEVEL 21
    Added an answer on February 5, 2022 at 6:57 pm

    Option A is the correct answer

    Option A is the correct answer

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  4. #
  5. Asked: October 26, 2021In: Physics MCQs

    What will be the wave velocity, if the radar gives $$54$$ waves per min and wavelength of the given wave is $$10 m$$?

    knowithere LEVEL 21
    Added an answer on November 5, 2021 at 5:59 pm

    Option C is the correct answer!!! 9m/s

    Option C is the correct answer!!!

    9m/s

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  6. #
  7. Asked: October 26, 2021In: Physics MCQs

    Two waves interfere with each other then which of the following statement is true?

    knowithere LEVEL 21
    Added an answer on November 5, 2021 at 5:58 pm

    Option C is the correct answer!!! The displacements of the individual waves are added at each point

    Option C is the correct answer!!!

    The displacements of the individual waves are added at each point

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  8. #
  9. Asked: October 26, 2021In: Physics MCQs

    Orange light has a wavelength of $$6 times 10^{-7}m$$. What is its frequency? The speed of light is $$3 times 10^{8}m/s$$.

    knowithere LEVEL 21
    Added an answer on November 5, 2021 at 5:57 pm

    Option C is the correct answer!!! 5×10^14Hz

    Option C is the correct answer!!!

    5×10^14Hz

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  10. #
  11. Asked: October 26, 2021In: Physics MCQs

    A wave of frequency 500 Hz has a velocity of 360 m $$s^{-1}$$. Calculate the distance between two points that are $$60^0$$ out of phase.

    knowithere LEVEL 21
    Added an answer on November 5, 2021 at 5:55 pm

    Option A is the correct answer!!!

    Option A is the correct answer!!!

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  12. #
  13. Asked: October 26, 2021In: Physics MCQs

    If a wave has frequency $$f=10^{14} Hz$$ and speed v = 100 m/s, what is its wavelength? 

    knowithere LEVEL 21
    Added an answer on November 5, 2021 at 5:53 pm

    Option B is the correct answer!!!  

    Option B is the correct answer!!!

     

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  14. #
  15. Asked: October 26, 2021In: Physics MCQs

    Which of the following is different from others?

    knowithere LEVEL 21
    Added an answer on November 5, 2021 at 5:51 pm

    Option D is the correct answer!!!  

    Option D is the correct answer!!!

     

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  16. #
  17. Asked: October 26, 2021In: Physics MCQs

    In the equation $$y=Asin{(kx-omega t+{phi}_{0})}$$ the term phase is defined as:

    knowithere LEVEL 21
    Added an answer on November 4, 2021 at 8:40 pm

    Option A is the correct answer!!! ϕ0​

    Option A is the correct answer!!!

    ϕ0​

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  18. #
  19. Asked: October 26, 2021In: Physics MCQs

    The motion of a particle is said to be simple harmonic 
    It it moves to and fro about a fixed point  and given that driving force is towards mean position

    knowithere LEVEL 21
    Added an answer on November 4, 2021 at 8:39 pm

    Option A is the correct answer!!! True  

    Option A is the correct answer!!!

    True

     

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
1 2 3 … 439

Sidebar

Ask A Question

Stats

  • Questions 10k
  • Answers 9k
  • Posts 328
Physics MCQs Test
Chemistry MCQs Test
Mathematics MCQs Test

Adv 250x250

Member

knowithere

knowithere

  • 1k Questions
  • 48k Points
LEVEL 21
Question Bank

Question Bank

  • 5k Questions
  • 22k Points
LEVEL 21
Heman

Heman

  • 55 Questions
  • 9k Points
LEVEL 21
Niraz

Niraz

  • 8 Questions
  • 8k Points
LEVEL 21

Explore

  • Feed
  • Recent Questions
  • Questions For You
  • Most Answered
  • Answers
  • No Answers
  • Most Visited
  • Most Voted
  • Random
  • New Questions
  • Polls
  • Followed Questions
  • Favorites Questions
  • Answers You Might Like
  • Show All Categories

Footer

Know It Here

KNOW IT HERE

know it here is a social questions & Answers Engine which will help you establish your community and connect with other people.

Follow

© 2021. All Rights Reserved
With Love by Know it here.