I `|veca|=3 and -4lekle1,` then what can you say about |kveca| ?

What do you know about clone?

One angle of a triangle is greater than the sum of the other two. What can you say about the measures of this angle? What type of a triangle is this?

If a solution changes red litmus blue, what can you say about its pH value, less than 7 or greater than 7?

If vec a. vec a=0 and vec a. vec b=0, what can you conclude about the vector vec b ?

If the average velocity of an object is zero in some time interval , what can you say about the displacement of the object for that interval?

A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the direction of electric and magnetic field vectors?

A plane electroagnetic wave travels in vacum along x-direction. What can you say about the direction of electric and magnetic field vectors?

A plane electromagnetic wave travels in vacuum along y-direction. What can you say about the direction of electric and magnetic field vectors?

When a longitudinal wave travels from one medium to another, a compression is reflected as a rarefaction. What can you say about the medium ?

A plane electromagnetic wave travels in vacuum along z- direction. What can you say about the directions of ots electric and magnetic field vectors. If the frequency of the wave is 30 MHz , what is its wavelength?