Category: Physics

What does it mean when you can see images in things? Pareidolia Why do I see faces in things? Pareidolia can cause people to interpret random images, or patterns of light and shadow, as faces. The authors suggest that face perception evoked by face-like objects is a relatively early process, and not a late cognitive […]

How does electricity affect the human body? Electric current is able to create severe burns in the body. The reason is hidden in the power dissipation across the body´s electrical resistance. Shock can cause: cardiac arrest, burns to tissues and organs, muscle spasms, serious effects to the nervous system and other unexpected consequenses. Does dying […]

What type of radiation has the highest frequency? Gamma rays What type of radiation has the greatest range in air? Gamma radiation What can protect you from radiation? Staying inside will reduce your exposure to radiation. Close windows and doors. Take a shower or wipe exposed parts of your body with a damp cloth. Drink […]

Why did USSR put missiles in Cuba? Why did the USSR put nuclear missiles on Cuba? To protect Cuba: Khrushchev wanted to support the new communist country in ‘Uncle Sam’s backyard’, and ensure that the Americans would not attempt another incident like the Bay of Pigs and attempt to overthrow Castro. Why would a strong […]

Is it possible to control the magnetic properties of a magnet can a magnet be turned on and off? In general there are two types of magnets : permanent and temporary (electromagnets). We can also control the intensity of magnetic power. On the other hand permanent magnet cannot be switched on and off but the […]

What will happen to the distance between bright spots on the second screen if the distance between the two slits in the first screen is made smaller? What will happen to the distance between bright spots on the second screen if the distance between the two slits in the first screen is made smaller? The […]

What is the SI unit used to measure the amount of a substance? The SI unit of concentration (of amount of substance) is the mole per cubic meter (mol/m3). What is the SI unit Pressure? The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m2, or kg·m−1·s−2). Why […]

What reptile does not need a heat lamp? Snakes are actually the easiest reptile pet to care for. They do not need and should not be fed live food and only need a frozen thawed mouse about weekly (will vary with age and size of snake). Snakes do not require supplemental light and many will […]

What pitch means? 1 : highness or lowness of sound. 2 : amount of slope The roof has a steep pitch. 3 : an up-and-down movement the pitch of a ship. 4 : the throw of a baseball or softball to a batter. 5 : the amount or level of something (as a feeling) Excitement […]

Can Silicon Make 6 bonds? It can “expand the octet” as it has 6 valence electrons, hence allowing the formation of 6 bonds. Can Silicon form more than 4 bonds? Silicon is also belong to carbon family and it has similar electronic configuration that means it has four valence unpaired electron those can be shared […]