What is the power of convex lens whose focal length is 50 cm? Power of a lens is always reciprocal to the focal length. So, aconvex lens with 50cm focal length has a power of (1/0.5) Dioptre(D) or 2D. Since, a convex lens is a converging lens, thepower of the convex lens is +2D……… Where […]
Why do O and B type stars have weaker hydrogen absorption lines?
Why do O and B type stars have weaker hydrogen absorption lines? So, most of the electrons in hydrogen are stuck on the ground orbit because they cannot absorb the lower energy light. This results in weaker absorption lines, because very few hydrogen atoms are participating. You cannot measure the temperature of the star based […]
How many KW is a Litre of diesel?
How many KW is a Litre of diesel? 10 kWh Which fuel produces the most energy? hydrogen What is an disadvantage of hydropower? Hydropower has the ability to generate electricity without emitting greenhouse gasses. However, it can also cause environmental and social threats, such as damaged wildlife habitat, harmed water quality, obstructed fish migration, and […]
Is a screwball a real pitch?
What states have no seat belt laws?
What states have no seat belt laws? New Hampshire is the only state that has no enforceable laws for the wearing of seat belts in a vehicle. What happened to automatic seat belts? Though more awkward for vehicle occupants, most manufacturers opted to use less expensive automatic belts rather than airbags during this time period. […]
How can joints be classified?
How can joints be classified? A joint is defined as a connection between two bones in the skeletal system. Joints can be classified by the type of the tissue present (fibrous, cartilaginous or synovial), or by the degree of movement permitted (synarthrosis, amphiarthrosis or diarthrosis). What are the different types of joint? What are the […]
What are the 2 main types of microscopes?
What are the 2 main types of microscopes? Types of Microscopes The light microscope. The common light microscope used in the laboratory is called a compound microscope because it contains two types of lenses that function to magnify an object. Other light microscopes. Electron microscopy. What kind of microscope should I buy? You will need […]
What skills do you need to work with others?
What skills do you need to work with others? Here are 20 “people skills” and attributes you’ll need to succeed at work: The ability to relate to others. Strong communication skills. Patience with others. Knowing how and when to show empathy. Active listening skills. Genuine interest in others. Flexibility. Good judgment. How do you list […]
Is there gravity underwater?
Is there gravity underwater? There is plenty of gravity underwater. That gravity is just offset by buoyancy, which is caused by the pressure in the column underneath a submerged object being greater than the pressure in the column above that object, resulting in net upward force on the object that mostly (but not completely) balances […]
How do you thank someone sincerely?
How do you thank someone sincerely? General Thank-You Phrases Thank you so much. Thank you very much. I appreciate your consideration/guidance/help/time. I sincerely appreciate …. My sincere appreciation/gratitude/thanks. My thanks and appreciation. Please accept my deepest thanks. How do you acknowledge an email? Simple Email Acknowledgement Reply This kind of emails may end with, “Please […]