[" correct alternative and write its letter: "],[qquad 1.ln Delta LMN," if "LM=10cm" and "/_LNM=90^(@),/_LMN=30^(@);" then "NM=?]

In DeltaLMN , if LM=10cm and /_LNM=90^(@) , /_LMN=30^(@) , then NM=?

Choose the correct alternative and write it along with its allotted alphabet: An object of height 10cm is placed in front of a plane mirror. The height of the image will be…….

Choose the correct alternative and write it along with its alloted alphabet: For the normal human eye , the near point is at …………… cm.

Choose the correct alternative and write it along with its allotted alphabet: What is the measure of the angle made by the reflected sound with the reflecting surface when the angle incidence is 30^@ A. 0^@ B. 30^@ C. 90^@ D. 60^@

Choose the correct alternative and write it along with its allotted alphabet: The resistance of a wire is 100Omega . If it carries a current of 1A for 10 seconds , the heat produced will be.....

In right angled Delta LMN, angleM= 90^@ .If l(LM)=12cm and l(LN)=20cm, find the length of seg MN.

Choose the correct alternative and write it along with its allotted alphabet: The delta sign written above the arrow indicates ....... of the reaction

Choose the correct alternative and write it along with its alloted alphabet: If the temperature of water is increased from 4° C to 10°c , then its ………….