Why are fringes straight?

Why are fringes straight? In a wedge-shaped film, each fringe is the locus of points of equal thickness of the film. For wedge shape air film, the locus of points of equal thickness is straight lines parallel to the edge of the wedge. So, fringes appear straight and parallel. How circular fringes are formed? The […]

What happened to the thread when cut?

What happened to the thread when cut? Answer. When the thread has been cut off…the thread falls down and the FORCE OF GRAVITY is applied to it… What tension should my sewing machine be on? 4.5 Why does my thread keep shredding? It will probably be at the needle or just after the tension disc […]

Do stars shine forever?

Do stars shine forever? Most of a star’s lifetime is spent shining bright. It gets its energy from nuclear fusion reactions at its core. A star will shine bright until all the hydrogen at its core has been converted to helium. Then it begins to die. Why do stars shine only at night? Stars are […]

Where do Convergent boundaries occur?

Where do Convergent boundaries occur? Convergent boundaries occur between oceanic-oceanic lithosphere, oceanic-continental lithosphere, and continental-continental lithosphere. The geologic features related to convergent boundaries vary depending on crust types. Plate tectonics is driven by convection cells in the mantle. Is the Grand Canyon a divergent boundary? Two plates are moving away from each other at the […]

What is the reaction of S O2?

What is the reaction of S O2? Revision questions Word equation sulfur + oxygen → sulfur dioxide Chemical equation S + O2 → SO2 Picture equation What type of reaction is this 2h2o → 2h2 O2? decomposition reaction What is the reaction between Sulphur and oxygen? Sulfur reacts with oxygen to form sulfur dioxide. When […]

Does nucleus contain DNA?

Does nucleus contain DNA? The nucleus contains the cell ‘s DNA and directs the synthesis of ribosomes and proteins. Found within the nucleoplasm, the nucleolus is a condensed region of chromatin where ribosome synthesis occurs. Chromatin consists of DNA wrapped around histone proteins and is stored within the nucleoplasm. Why is the nucleus not important? […]

What is vacuoles in simple words?

What is vacuoles in simple words? 1 : a small cavity or space in the tissues of an organism containing air or fluid. 2 : a cavity or vesicle in the cytoplasm of a cell usually containing fluid — see cell illustration. Other Words from vacuole Example Sentences Learn More about vacuole. What is a […]

Are praying mantises intelligent?

Are praying mantises intelligent? Like many predators, praying mantises are capable of aversive learning, or learning from negative experiences; a recent study showed that the insects figure out to avoid prey that has been made artificially bitter. What is the lifespan of a praying mantis? The lifespan of a mantis depends on the species; smaller […]

How does base substitution mutation occur?

How does base substitution mutation occur? Base substitutions are the simplest type of gene-level mutation, and they involve the swapping of one nucleotide for another during DNA replication. For example, during replication, a thymine nucleotide might be inserted in place of a guanine nucleotide. What’s the difference between mutation and substitution? A substitution is a […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top