Which best explains why one laser beam might appear? Answer: One laser beam might appear blue and another laser beam might appear red because each laser beam is made up of one specific wavelength of light. Explanation : This means that laser light emits light of single frequency or wavelength. That’s why one laser beam […]
Do I need a whistle to kayak?
Is spontaneous generation possible?
Is spontaneous generation possible? For several centuries it was believed that living organisms could spontaneously come from nonliving matter. This idea, known as spontaneous generation, is now known to be false. Spontaneous generation was disproved through the performance of several significant scientific experiments. What does Abiogenesis mean? Abiogenesis, the idea that life arose from nonlife […]
What will happen when a ringing tuning fork is lowered into water?
What will happen when a ringing tuning fork is lowered into water? When struck, the double-pronged metal rod vibrates at a constant frequency — and thus emits a constant pitch. The naked eye can’t spot the vibrations, but dipping the tuning fork in water and slowing down the footage make them anything but invisible. What […]
What is the difference between earthquake and fault?
What is the difference between earthquake and fault? Earthquakes occur on faults – strike-slip earthquakes occur on strike-slip faults, normal earthquakes occur on normal faults, and thrust earthquakes occur on thrust or reverse faults. When an earthquake occurs on one of these faults, the rock on one side of the fault slips with respect to […]
How can you express gratitude?
How can you express gratitude? 8 Creative Ways to Express Gratitude 1 Show a little enthusiasm. There’s nothing wrong with a little hyperbole. 2 Vary your vocabulary. 3 Get specific. 4 Make it public. 5 Share a list of your favorite things about them. 6 Write them a handwritten letter. 7 Give them extra encouragement. […]
What is a periscope Class 6?
What is a periscope Class 6? A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer’s current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° […]
Which number is used in forced convection?
Which number is used in forced convection? The parameter of importance in forced convection is the Péclet number, which is the ratio of advection (movement by currents) and diffusion (movement from high to low concentrations) of heat. When the Peclet number is much greater than unity (1), advection dominates diffusion. What is the primary driving […]
What are the pros and cons of CBT?
What are the pros and cons of CBT? Research has shown that cognitive behavioural therapy (CBT) can be as effective as medication in treating Anxiety & Depression problems. There is always a risk that bad feelings you associate with your problem will return, but with your CBT skills it should be easier for you to […]
What is the name of K+ ion?
What is the name of K+ ion? potassium Why is potassium K+? The name is derived from the english word potash. The chemical symbol K comes from kalium, the Mediaeval Latin for potash, which may have derived from the arabic word qali, meaning alkali. What is the symbol for beryllium? Be Is Potassium a negative […]