Why should we not use after help? You can have” to” after help if it is part of the infinitive of a verb – “help to find” “help to understand.” But you don’t ever have “to” before an object. In other words, the person that you help is the DIRECT object. “To understand” is an […]
Which Lagrange points are stable?
Which Lagrange points are stable? Of the five Lagrange points, three are unstable and two are stable. The unstable Lagrange points – labeled L1, L2 and L3 – lie along the line connecting the two large masses. The stable Lagrange points – labeled L4 and L5 – form the apex of two equilateral triangles that […]
What has a definite volume but no definite shape of its own?
What is good health class 9?
What is good health class 9? Health is a state of complete physical, mental and social well being. For a healthy life cycle,person needs to have a balanced diet,has to take exercise,lives in proper shelter,takes enough sleep,have good hygiene. Good economic condition and jobs are therefore needed for individual health. Why do we fall sick? […]
How can you help in the reduction of waste materials in the community?
How can you help in the reduction of waste materials in the community? Eight Ways to Reduce Waste Use a reusable bottle/cup for beverages on-the-go. Use reusable grocery bags, and not just for groceries. Purchase wisely and recycle. Compost it! Avoid single-use food and drink containers and utensils. Buy secondhand items and donate used goods. […]
Will water turn into ice at room temperature?
Will water turn into ice at room temperature? Researchers in Korea have shown that liquid water can freeze into ice at room temperature under certain conditions. Heon Kang and co-workers at Seoul National University confined water in a nano-sized gap and showed that it froze when an electric field was applied (Phys. Rev. Lett. How […]
Which is the most dangerous location to be in during a tsunami hazard?
Which is the most dangerous location to be in during a tsunami hazard? Tsunamis can cause great loss of life and property damage in coastal areas. Very large tsunamis can cause damage to coastal regions thousands of miles away from the earthquake that caused them. Beaches, lagoons, bays, estuaries, tidal flats and river mouths are […]
What is the period for Y Sinx?
What is a wave pattern?
What is a wave pattern? : an undulating line used ornamentally (as in the decoration of pottery) What are the different wave patterns? There are three categories: Longitudinal wave *s – Movement of the particles are parallel to the motion of the energy. Sound waves moving through the air is an example of this type […]
What happens to a high energy photon after it strikes an electron?
What happens to a high energy photon after it strikes an electron? Photon hits the electron and give some of its energy and go in some different direction with larger wavelength. Electron will gain kinetic energy and move in some other direction. If the photon energy is large enough to knock a tightly bound electron […]