The correction for parallax, is

If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height

A

$${\text{h}} = \frac{{{\text{dp}}}}{{\frac{{\text{B}}}{{\text{H}}}}}$$

B

$${\text{h}} = \frac{{\text{B}}}{{\text{H}}} \times {\text{dp}}$$

C

$${\text{h}} = \frac{{{\text{dp}}}}{{\frac{{\text{H}}}{{\text{B}}}}}$$

D

$${\text{h}} = {\text{BHbp}}$$

The difference of parallax for a given difference in elevation is independent of

A

Focal length of the camera

B

Overall size of the photo graphs

C

Percentage of overlap

D

All the above

Parallax bar measures

A

Parallax

B

Height

C

Parallax difference

D

Height difference

The value of geocentric parallax to be added to the observed altitude of sun is

A

9" cos α

B

9" sin α

C

9" tan α

D

9" cot α

The parallax of a point on the photograph is due to

A

Ground elevation

B

Flying height

C

Length of air base

D

All the above

Last Monday it has been raining in torrents. (Sentence Correction "word missing)

A

till

B

when

C

from

D

since

Have you ever been the longest sea beach of the world. (Sentence Correction "word missing)

A

to

B

in

C

on

D

up

We saw several haunted house were fire while coming from border areas. (Sentence Correction "word missing)

A

in

B

on

C

with

D

under

We have been working hard we can win this year's challenge. (Sentence Correction "word missing)

A

so that

B

so

C

that

D

because

I always listen radio while going to office. (Sentence Correction "word missing)

A

to

B

in

C

on

D

up

The correction for parallax, is

Related Questions