A mars mission

https://www.youtube.com/watch?v=xmGnVAn4DRg

Comments

Post a Comment

Popular posts from this blog

Your marks does not define you

  You're absolutely right! Marks or grades do not define a person's worth or value. While academic achievements can be important for certain career paths or opportunities, they are just one aspect of a person's abilities and potential. It's essential to recognize that individuals possess a wide range of skills, talents, and qualities that cannot be accurately measured solely by their academic performance. There are numerous factors that contribute to a person's success and overall development, including personal qualities like determination, resilience, creativity, leadership abilities, communication skills, emotional intelligence, and more. These qualities, along with practical experience, critical thinking, problem-solving abilities, and a passion for learning, are equally important in shaping an individual's character and potential. It's crucial to focus on personal growth, exploring interests, and developing a well-rounded skill set rather than being sol...
Read more

STD 7 Sound and Propagation

Image
Sound Q1. Choose the correct answer :        Sound can travel through         (a) gases only           (b) solids only           (c) liquids only           (d) solids, liquids and gases. Answer : (d) Sound can travel through solids, liquids, and gases as it requires a medium to travel through. Solid, liquid and gas provide the medium for sound to travel. Sound cannot travel in vacuum. Q2. Which of the following voices is likely to have minimum frequency? (a) Baby girl   (b) Baby boy (c) A man   (d) A woman Answer : (c) A man Frequency of a sound is directly proportional to its pitch. The voice of an adult man is of lower pitch in comparison to the voices of a baby boy, a baby girl and a woman. The voice of a baby girl has highest pitch among this group. Q3. In the fo...
Read more