Which factor does not affect photon? According to photon, they can not be affected by electric and magnetic fields. But EM waves are affected by external electric and magnetic fields. Why ? According to theory of properties of photon, they can not be affected by electric and magnetic fields and it is neutral. Is velocity […]
Which is the correct expression for Half-Life?
Which is the correct expression for Half-Life? The time required for half of the original population of radioactive atoms to decay is called the half-life. The relationship between the half-life, T1/2, and the decay constant is given by T1/2 = 0.693/λ. What is the half-life for uranium 238? about 4.5 billion years How dangerous is […]
Which best describes the operational period briefing?
Which best describes the operational period briefing? 1 Answer. Explanation: The operations period briefing is the shift briefing that is conducted at the beginning of every operation period in order to present the incident action plan to tactical resource supervisor. Does an incident commander’s scope of authority come from the incident action plan? Explanation: An […]
What is the function of pupil of eye?
What is the function of pupil of eye? The function of the pupil is clearly that of controlling the amount of light entering the eye, and hence the light reflex. Can an eye repair itself? Minor superficial scratches on the cornea will usually heal by themselves within two to three days. In the meantime, some […]
Was Hurricane Sandy the worst in history?
Was Hurricane Sandy the worst in history? Hurricane Sandy (unofficially referred to as Superstorm Sandy) was the deadliest, the most destructive, and the strongest hurricane of the 2012 Atlantic hurricane season. The storm inflicted nearly $70 billion (2012 USD) in damage and killed 233 people across eight countries from the Caribbean to Canada. What made […]
What is used to represent a compound?
What is used to represent a compound? Compounds are represented by chemical formulas. Elements in a compound are represented by chemical symbols, and the ratio of different elements is represented by subscripts. Which compound contains both ionic and covalent bonds Ki CaCl2 ch2br2? Answer Expert Verified NaCn contains an Na+ ion and a CN- negative […]
Who is the father of model theory?
Who is the father of model theory? Tarski’s work included logical consequence, deductive systems, the algebra of logic, the theory of definability, and the semantic definition of truth, among other topics. His semantic methods culminated in the model theory he and a number of his Berkeley students developed in the 1950s and ’60s. What is […]
How do you use a microscope to focus on objects on prepared slides?
How do you use a microscope to focus on objects on prepared slides? Viewing Prepared Slides Start by rotating the objective lens to lowest power. Place a slide on the stage, label side up, with the coverslip centered. On LOW POWER ONLY, use the coarse focus knob to get the object into focus. If you […]
Why does the sun burn us Readworks?
Why does the sun burn us Readworks? The Short Answer: There is infrared radiation, which is heat. There is visible light, which is what our eyes can see. There is also ultraviolet light. We can’t see ultraviolet with our eyes, but it can burn our skin. How is the sun burning without oxygen? The Sun […]
Can you imagine a world without electricity?
Can you imagine a world without electricity? To be honest, one can’t imagine a life without electricity. Although we experience blackouts and power outages, a life entirely without electricity is unimaginable. What would happen if electricity was never invented? Originally Answered: If electricity was not invented, what would life be like? Without electricity, we would […]