Home
Class 9
PHYSICS
Collect the information about the animal...

Collect the information about the animals which communicate through Infrasonics or ultrasonics. Collect their pictures and write a report on their communication technique.

Answer

Step by step text solution for Collect the information about the animals which communicate through Infrasonics or ultrasonics. Collect their pictures and write a report on their communication technique. by PHYSICS experts to help you in doubts & scoring excellent marks in Class 9 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SOUND

    NCERT TAMIL|Exercise Problems|4 Videos

  • SOUND

    NCERT TAMIL|Exercise Let us Improve our learning (Multiple choice questions)|10 Videos

  • REFRACTION OF LIGHT AT PLANE SURFACES

    NCERT TAMIL|Exercise THINK AND DISCUSS|2 Videos

  • UNIVERSE

    NCERT TAMIL|Exercise Problem|2 Videos

Similar Questions

Explore conceptually related problems

Collect information about the path of revolution of moon around the earth and write a report.

Collect the information about the base area and stability of some objects with different shapes and write a report.

Knowledge Check

  • Assertion : Pictures and audio- visuals gives us more understanding than teaching and writing on the black board . Reason : The device which helps in explaining the concepts easily through pictures is known as visual communication device .

    A
    Both assertion and reason are true , and reason is the correct explanation assertion .
    B
    Both assertion and reason are true , but reason is not the correct explanation of assertion .
    C
    Assertion is true but reason is false .
    D
    Assertion is false but reason is true .

    • Similar Questions

    Explore conceptually related problems

    Which of the following are sets ? Justify your answer. A collection of most dangerous animals of the world.

    Yasmin of class VI was given a task to count the number of books which are biographies, in her school libraary. The information collected by her is represented as follows. Observe the pictograph and answer the following questions. How many biographies are there on the title of Sportspersons?

    Which of the following are primary and secondary data? i. Collection of the data about enrollment of students in your school for a period from 2001 to 2010. ii. Height of students in your class recorded by physical education teacher.

    Yasmin of class VI was given a task to count the number of books which are biographies, in her school libraary. The information collected by her is represented as follows. Observe the pictograph and answer the following questions. Which title has the minimum number of biographies?

    Yasmin of class VI was given a task to count the number of books which are biographies, in her school libraary. The information collected by her is represented as follows. Observe the pictograph and answer the following questions. What is the total numer of biographies in the library?

    Yasmin of class VI was given a task to count the number of books which are biographies, in her school libraary. The information collected by her is represented as follows. Observe the pictograph and answer the following questions. Which title has exactly half the number of biographies as Novelists?

    Yasmin of class VI was given a task to count the number of books which are biographies, in her school libraary. The information collected by her is represented as follows. Observe the pictograph and answer the following questions. Which title has the maximum number of biographies?

    Home
    Profile